# One angle of an isosceles triangle measures 80 degrees. Witch other angles could be in that isosceles triangle?

36,781 questions
1. ## Math

One angle of an isosceles triangle measures 80 degrees. Witch other angles could be in that isosceles triangle?

asked by Courtney0 on April 25, 2018
2. ## math

1. What is the correct classification for the triangle shown below? A triangle has two angles measuring 68 degrees and 22 degrees. (1 point) acute, scalene acute, isosceles --- right, scalene obtuse, scalene 2. What is the value of x in the triangle? A

asked by Unknown on March 1, 2018
3. ## algebra.

problems about angles: Hi. I needed help on some problems for the math section that we are doing in class. I am trying out some problems in my math book, but they prove quite difficult. 1. In a certain parallelogram, if the measure of one angle is 30

asked by jason on November 15, 2007
4. ## math

the measures of the interior angles of a triangle are x,y and 2x respectively. if the triangle is isosceles, what is one possible measure of an angle of this triangle, in degrees?

asked by anonymous on July 24, 2013
5. ## MATH

the measures of the interior angles of a triangle are x,y and 2x respectively. if the triangle is isosceles, what is one possible measure of an angle of this triangle, in degrees?

asked by Help!! on July 24, 2013
6. ## geometry

find the value of x in each triangle: triangle x has 1 angle at 53 degree for value x i got: 63.5 degree is that correct? Classify each triangle. 7. The measures of 2 angles are : 45 degree and 45 degree i got: acute 8. the measures of 2 angles are 15

asked by marko on March 21, 2012
7. ## geometry

find the value of x in each triangle: triangle x has 1 angle at 53 degree for value x i got: 63.5 degree is that correct? Classify each triangle. 7. The measures of 2 angles are : 45 degree and 45 degree i got: acute 8. the measures of 2 angles are 15

asked by marko on March 21, 2012
8. ## Geometry

An Isosceles triangle has a 96degree angle. What are the measures of the other 2 angles? Do all triangles have to add up to 180degrees? If so, than this isn't possible because an isosceles triangle has 2 sides the same length. Correct?

asked by Tyler on November 27, 2007
9. ## Geometry help?

I'm not sure what to do on these questions. The measure of the vertex angle of an isosceles triangle is 26. Find the measure of each base angle If the measures of the three angles of a triangle are x,2x-20, and 3x-10, then what is this type of triangle?

asked by Kase on August 2, 2006
10. ## algebra

The sum of the angles of a triangle is 180 degrees. If one angle measures x degrees, a second angle measures 3x degrees, and a third angle measures 7x degrees, express the measure of the fourth angle in terms of x.

asked by nicole on July 6, 2011
11. ## geometry

Find the number of degrees in the measure of one of the base angles of an isosceles triangle, if the measure of the vertex angle is 36 degrees less than the sum of the measures of the base angles.

asked by lorie on January 14, 2011
12. ## algebra

Find the number of degrees in the measure of one of the base angles of an isosceles triangle, if the measure of the vertex angle is 36 degrees less than the sum of the measures of the base angles.

asked by mw on January 14, 2011
13. ## math

The sum of the measures of the angles of any triangle is 180 degrees. In triangle abc, angles a and b have the same measure, while the measure of angle c is 78 degrees larger than each of a and b. What are the measures of the three angles? angle a is

asked by Kelly on September 7, 2012
14. ## Geometry

A right triangle has exterior angles at each of its acute angles with measures in the ratio 13:14. Find the measure of the smallest interior angle of the triangle. 40 (degrees) 50 (degrees) 130 (degrees) 140 (degrees) Please help? Thanks

asked by SkatingDJ on October 21, 2015
15. ## circle inscribed

--------------- QUESTION FOLLOWS -------------------------- Can someone Please help I definitely do not know how to do this. A)Find x, to find x you need to add the arc measures together and set the expression equal to the total degrees of circle then

asked by lilman on May 22, 2012
16. ## Geometry

If the measures,in degrees, of the three angles of a triangle are x, x+10, and 2x-6, the triangle must be: A.right,B.equilateral,C.Scalene, D.Isosceles

asked by LP on January 6, 2013
17. ## Geometry

Please answer at least one . PLEASE 1. Triangle XYZ has a right angle at Y. V,W are on XZ such that XV=XY. WZ=YZ, find ANGLE VYW . 2. STUVWXYZ is a regular octagon. Find SW/ TZ. 3. The interior angles of a convex polygon form an arithmetic progression with

asked by Jayden on October 19, 2013

The measure of one of the equal angles in an isosceles triangle is twice the measure of the remaining angle. Determine the exact radian measures of the three angles in the triangle.

asked by Anonymous on October 26, 2009
19. ## Math

Hi! So, I'm doing a test, and I've answered all my answers except for one: Find the missing angle measure. Then classify the triangle by its measures. Because this will not let me post a photo, I will write what all the angles are: 40 degrees (less than

asked by TreatPPLHowUWant2BTreated on March 29, 2019
20. ## geometry

A triangle has two angles that have measures of 22.5 degrees and 101 degrees. a. Find the measure of the third angle. b. Classify the triangle by its angle measures.

asked by shane on January 23, 2011
21. ## math

a triangle has three internal angles. one angle measures 37 degrees another one measures 67 degrees. how many degrees does the third angle measure? 1) 28 2) 34 3) 76 4) 256 5) not anought information is given

asked by michael on May 10, 2010
22. ## ALGEBRA 1

If x and 3x-10 represent the measure of the acute angles of a right tringle find the value of x. THANKS Let's take it step by step. A triangle has 3 angles in it. Those three angles, when added together, is 180. In a right triangle, one of the angles is 90

asked by DANIELLE on February 12, 2007
23. ## vertex angle

The three angles add to 180 degrees. Also , the two base angles of the isoscele triangle are equal, .. Set those base angles equal, and solve for x. Put that value of x into the given, and compute the base angles. The third angle will be the amount to add

asked by Anonymous on August 16, 2007
24. ## geometry

what is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 58?

asked by Anonymous on September 14, 2010
25. ## geometry

The measure of an exterior angle of an isosceles triangle is x degrees. What are the possible angle measures of the triangle in terms of x? Describe all the possible values of x.

asked by Anonymous on November 6, 2011
26. ## Math - Triangles

An isosceles triangle has an interior angle of 26 degrees. Which of the following is a possible degree measure for one of the other interior angles of the triangle? a) 52 degrees b) 64 degrees c) 78 degrees d) 104 degrees e) 128 degrees

asked by Venus on September 10, 2013
27. ## Math - Geometry

Two right triangles are touching at the tips. The left triangle has the 90 degree angle to the bottom left, and 33 degrees on the bottom right. Based on this info, the other angle is 57 degrees. The right triangle has the right angle given, but it is on

asked by Nikki on December 1, 2007
28. ## MATH

In a triangle ABC, angle A is 2 times angles C and angle B is 20 degrees less than angle C find the number of degrees in these angles In a triangle ABC, angle A is 2 times angles C and angle B is 20 degrees less than angle C find the number of degrees in

asked by fiaie on August 24, 2006
29. ## math

Plz explain to me how to do this : The angles of an equilateral triangle are congruent. If x represents the measure of one angle of an equilateral triangle which equation represents the sum of the angle measures of the triangle A. x+x=90 degrees B.x+x+x=90

asked by Young Trippy Lil G on March 6, 2017
30. ## Math

One of the two equal angles of an isosceles.triangle is greatest than the third angle 18° . Find the three angles of the isosceles triangle

asked by Vishwam on December 6, 2016
31. ## Math

One angle of an isosceles triangle is 28°. What are the other 2 angles? (Choose all that apply.) 76 degrees and 76 degrees 116 degrees and 116 degrees 28 degrees and 152 degrees 28 degrees and 124 degrees

asked by Ryan on January 18, 2012
32. ## corollary to isosceles triangle theorem

how to prove 1)the measure of each angle of an equilateral triangle is 60. 2)the bisector of the vertex angle of an isosceles triangle is the perpendicular bisector of the base. Thanks. 1) The angles in any triangle have to add up to 180 degrees, right? 3

asked by Jen on November 17, 2006
33. ## maths

In an isosceles triangle if two angles are 60 degrees, what degree will the third angle be?

asked by Suleman on October 16, 2016
34. ## trigonometry

the base of an isosceles triangle measures 108 feet and forms an angle of 55 degrees with one equal sides. find the perimeter of the triangle

asked by jer on January 3, 2016

This is the last question of my quiz, I need help with it. I need just one question answered. Question: The angles opposite the congruent sides of an isosceles triangle are congruent. Find the value of x in the triangle. Show all your work. The triangles'

asked by Lily on February 19, 2016
36. ## math

When the measures of the angles of a triangle are placed in order, the difference between the middle angle and smallest angle is equal to the difference between the middle angle and largest angle. If one of the angles of the triangle has measure 23

asked by G on March 11, 2015
37. ## math

When the measures of the angles of a triangle are placed in order, the difference between the middle angle and smallest angle is equal to the difference between the middle angle and largest angle. If one of the angles of the triangle has measure 23

asked by G on March 6, 2015
38. ## math

one angle of triangle measures 110 degrees the other two angles are in a ratio of 5:9 what are the measures of those tow agnels

asked by Anonymous on February 21, 2012
39. ## geometry

Find the measure of the vertex angle of an isosceles triangle if either of the exterior angles formed by extending the base measures of 112

asked by tina on December 1, 2011
40. ## basic geometric

a would like to get someone too help me with these math problem. Two angles of a triangle are 40 degrees and 62 degrees; what is the third angle's measur? answered below. Interior angles of a triangle is equal to 180 degrees. A triangle only has 3 angles.

asked by vero on March 11, 2007
41. ## math

if the measures of the angles of a triangle are represented by 2x, 3x-15, and 7x-15, the triangle is 1)an isosceles triangle 2)a right triangle 3)an acute triangle 4)an equiangular triangle

asked by derek on May 30, 2008
42. ## math

if the measures of the angles of a triangle are represented by 2x, 3x-15, and 7x+15, the triangle is 1)isosceles triangle 2)right triangle 3)acute triangle 4)equiangular triangle

asked by derek on May 30, 2008
43. ## math

a right triangle has one angle that measures 16 degrees. what are the measures of the other two angles?

asked by dakota on February 5, 2011
44. ## Math Geometry

A right triangle has one angle that measures 16 degrees. What are the measures of the other two angles?

asked by David on January 25, 2011
45. ## math

Plane A which contains an isosceles right triangle forms a dihedral angle of 60 degrees with another plane B. If the hypotenuse of the triangle lies in plane B and measures 8 in., find the distance from the vertex of the right angle to plane B, and the

asked by nexan umbod on January 14, 2017
46. ## math

in a triangle, the measure of the first angle is twice the measure of the second.the measure of a third triangle is 64 degrees more than athe measure of the second angle. Use the facts that the sum of the measures of the three angles of a triangle is 180

asked by brittany on March 13, 2013
47. ## math

One interior angle of a triangle has a measure that is equal to the sum of the measures of the other two angles of the triangle. What is the measure of the smallest exterior angle of the triangle in degrees?

asked by G on March 11, 2015
48. ## math

Two angles of the triangle have given measures. Find the measure of the third angle x degrees, 120 degrees minus x degrees

asked by x on April 13, 2011
49. ## geometry

The legs of an isosceles triangle are each 18 cm long and the angle between them measures 48 degrees. What is the length of the third side?

asked by cori on March 25, 2010

Is the following definition of complementary angles reversible? If yes, write it as a true biconditional Complementary angles are two angles whose sum measures to 90 degrees - The statement is not reversible - Yes, if angles are complementary, then their

asked by sammy on October 5, 2015
51. ## math

An isosceles, obtuse triangle has one angle with a degree measure that is 50% larger than the measure of a right angle. What is the measure, in degrees, of one of the two smallest angles in the triangle? Express your answer as a decimal to the nearest

asked by G on March 23, 2015
52. ## College Math

In a certain triangle the measure of one angle is triple the measure of a second angle but is 110 degrees less than the measure of the third angle. [The sum of the measures of three interior angles of a triangle is always 180 degrees.] What is the measure

asked by Richard D on October 11, 2012
53. ## trig

Find altitude of isosceles triangle if angle=53 degrees (the equal angles) and the base is 8 inches.

asked by Ro on December 2, 2010
54. ## math

one angle of a triangle is 90 degrees.if the ratio of the legs is 1:1,what are the measures [in degrees] of the two remaining angles?  30 and 30 [ 2] 30 and 60 [ 3] 45 and 45 [ 4] 60 and 60  45 and 30

55. ## math

one angle of a triangle is 90 degrees.if the ratio of the legs is 1:1,what are the measures [in degrees] of the two remaining angles?  30 and 30 [ 2] 30 and 60 [ 3] 45 and 45 [ 4] 60 and 60  45 and 30

asked by lucene3 on December 19, 2012
56. ## Math

One angle of a triangle is 90 degrees.If the ratio of the legs is 1:1 what are the measures (in degrees) of the two remaining angles?

asked by Lace on June 1, 2012
57. ## algebra

Two angles of a scalene triangle measures 42 degrees and 70 degrees. Which of the following is the measure of the third angle?

asked by Alexius on December 1, 2012
58. ## math

The measure of angle A is 124 degrees. What is the correct classification for angle A? A. acute B. right C. obtuse D. straight Find the complement of an angle with a measure of 72 degrees A. 162 degrees B. 18 degrees C. 252 degrees D. 108 degrees The

asked by Michael on February 21, 2019
59. ## geometry

The measures of two supplementary angles are 6y + 3 and 4y - 13. Find the measures of the angles. Select one: a. 117 and 63 b. 19 c. 63 and 27 d. 10 Two angles are complementary. One angle measures 26 degrees more than the other. Find the measure of the

asked by homework on June 12, 2018
60. ## geometry

Which of the following statements are false? a. vertical angles are congruent b. angles with measures between 0 degrees and 90 degrees are complementary*** c. straight angles are supplementary**** d. angles with measures between 90 degrees and 180 degrees

asked by Anonymous on August 24, 2018
61. ## math

The opposite angles of a parallelogram are congruent. The adjacent angles are supplementary. If angle X measures 110 degrees, then what are the measures of angle Y and angle Z?

asked by Ian on March 1, 2011
62. ## Math

If you are given that one angle of a triangle measures 0 degrees, what would be the measuremenrs of the other 2 angles?

asked by Jen on July 23, 2008
63. ## algebra

The second angle of a triangle is three times as large as the first. The third angle is 20 degrees larger than the sum of the first two. What are the measures of the angles?

asked by Diana on October 22, 2009
64. ## Trig

An isosceles triangle has legs 4 feet long. If the vertex angle measures 30 degrees, find the length of the base.

asked by Anonymous on March 23, 2015
65. ## Geometry 12

What is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 42° and its congruent sides each measure 9 cm? Please express your answer as a number only.

asked by Kayla Druery on December 14, 2015
66. ## math

The Third angle of a Isosceles triangle is 16 degree less than the sum of the two equal angles. Find the three angles of the triangle

asked by Anonymous on May 23, 2016
67. ## MATH

Help please :) The measure of the supplement of an angle is 20 degrees more than three times the measure of the original angle. Find the measures of the angles. The measures of an angle and its complement differ by 22 degrees. Find the measures of the

asked by Sarah on August 16, 2009
68. ## Algebra

Isosceles triangle,two angles have the same measure. Determine the measure of the third angle in an isosceles triangle,if the third angle is 10 more than one-half of either of the equal measurements

asked by Lee on January 19, 2011
69. ## Geometry

A bag contains five pieces pf paper wit hthe emasures of various angles. The angle measures are 23,35,23,41,113. Suppose you pick 3 pieces of paper from the bag at random. What is the probability you can form an isosceles triangle with the three angles?

asked by Lisa on July 24, 2011
70. ## geometry

WHAT IS THE BASE LENGTH OF AN ISOSCELES TRIANGLE IF YOU KNOW THE EQUAL SIDES HAVE A VALUE OF 5 AND THE ANGLE BETWEEN THEM IS 45 DEGREES AND THE BASE ANGLES ARE 67.5 DEGREES?

asked by Anonymous on November 3, 2010
71. ## Math-Geometry

B is in the interior of angle AOC. C is in the interior of angle BOD. D is in the interior of angle COE. The measure of angle AOE is 162 degrees, COE is 68 degrees, and the measures of angles AOB, COD, and DOE are all equal. The question is to find the

asked by Nikki on October 10, 2007
72. ## math

can someone please answer these questions for me?: 1. if the measure of an interior angle of a regular pentagonis 108 degrees, then the angle sum of that regular pentagon must be: A. 120 degrees B. 360 degrees C. 540 degrees D. 720 degrees 2. is it

asked by Brianna on December 12, 2010

Which of the statements is ALWAYS TRUE? A-A right triangle is a scalene triangle. B-An equilateral triangle is an isosceles triangle. C-An isosceles triangle is an obtuse triangle. D-A right triangle is an acute triangle. I got either A or D. I don't know.

asked by Catherine on March 8, 2011
74. ## Math

Can someone please check to see if I answered these true and false statements correctly? Thank you! 1. A triangle can have two right angles. (TRUE??) 2. An equilateral triangle is also an acute. (TRUE??) 3. A right triangle can also be an isosceles.

asked by Anonymous on November 9, 2014
75. ## algebra

In any triange, the sum of the measures of the angles is 180degrees. In triangle ABC, angle A is four times as large as angle B. Angle C measures 20degrees less than angle B. Find the measure of each angle.

asked by misha on October 19, 2008
76. ## maths

an isosceles triangle is such that each of the base angles is twice the vertical angle. Find the angles of the triangle

asked by ferjam on September 27, 2011
77. ## Math

1. Hannah drew a pattern using only equilateral triangles. Which of the following statements about the angles is an equilateral triangle is true? A. The measurement of each angle is 60 degrees** B. The measurement of each angle is 120 degrees C. The

asked by Megan on February 25, 2016
78. ## Math HELPP!!

Eric Drew and up to's triangle. Which of the following could be true for Eric's triangle. A: all three angles have equal measures B: possible angle measures of the triangle are 92, 48, and 40•• C: two of the angles are equal, and the third angle has a

asked by Jojo on February 16, 2016
79. ## math

In an Isosceles triangle, one angle is 16 degrees more than twice the measure of one of the equal angles. Find the measure od eah angle.

asked by Valery on April 10, 2011
80. ## Math

One angle of a triangle measures 120 degrees. The other two angles are congruent. Write and solve an equation to find the measure of the congruent angles.

asked by Mike on February 13, 2012
81. ## basic geometric

a would like to get someone too help me with these math problem. Two angles of a triangle are 40 degrees and 62 degrees; what is the third angle's measur? The angles of a triangle always adds to 180o. You know two of the angles, solve for the third. can

asked by vero on March 11, 2007
82. ## geometry

Prove that the angle bisectors of the base of the isosceles angles of the isosceles triangle are congruent using statement and reason proof i dont really now how to prove this problem but i now what a transversal is and the angles of a trashes line. can u

asked by maria on December 9, 2016

Determine whether you can construct many, one, or no triangle(s) with the given description. a) a triangle with angle measures of 50°, 70°, and 100° no b) a triangle with one angle measure of 60° and one 4-centimeter side no c) a scalene triangle with

Determine whether you can construct many, one, or no triangle(s) with each description. a)An isosceles triangle with angle measures of 40° and 100°-Many b)A right triangle with three congruent sides-one c)A scalene triangle with side lengths of 7 cm, 3

85. ## math

Determine whether you can construct many, one, or no triangle(s) with each description. a)An isosceles triangle with angle measures of 40° and 100° b)A right triangle with three congruent sides c)A scalene triangle with side lengths of 7 cm, 3 cm, and 9

86. ## Calculus and Vectors

In triangle RST, RS=4, RT=7, and ST=5. Determine the measures of the angles to the nearest degree. I solved correctly for T's angle of 34 degrees. Once I try using the sine law to solve for angle S, I keep getting 78 degrees, when it's supposed to be 102

asked by Chuck on September 9, 2015
87. ## math

Hi! I am super confused with this question and really need help. In a right triangle with a leg of 4 and a hypotenuse of 8, find the measures of all angles. a. 27 degrees, 63 degrees, 90 degrees b. 30 degrees, 60 degrees, 90 degrees c. 40 degrees, 50

asked by girly girl on January 30, 2018
88. ## Geometry

If meaurement of angle DEF=(3x+5) degrees and measurement of angle KLM=(x+31) degrees, and goth angles are complementary to angle PQR, what are the measures of the angles?

asked by Carol on September 16, 2012
89. ## MAth

an isosceles triangle has two angles that measure 75 degrees. what is the measure of the third angle of the triangle?

asked by Anonymous on February 8, 2017
90. ## math

Triangle ABC is similar to triangle FGH. Angle A measures 42 degrees. Angle G measures 49 degrees. Find the measure of angle H

asked by james on August 20, 2012
91. ## math

In a rhombus ABCD, m∠A = 31°. Point O is a point of intersection of diagonals. Find the measures of the angles of triangle ΔBOC. I got 15.5 degrees for angle OCB and thats right all I need is the angles for OBC and BOC

asked by Anonymous on April 10, 2017
92. ## Math

The exterior angle at the vertex formed by the equal sides of an isoceles triangle is 140 degrees. Which are the measures of the exterior angles at the other verticies A ) 140 degrees and 80 degrees B ) 110 degrees and 110 degrees C ) 40 degrees and 40

asked by Silva on January 15, 2018
93. ## Math

If two angles of one triangle are congruent to two angles of another triangle, these triangles must be a) scalene b) similar c) congruent d) isosceles Dont all traiangles have 180 degrees? So if two angles were congruent, what about the third? I still

asked by Becky on March 4, 2007
94. ## Geometry

If the measure of an exterior angle of a triangle is 75 degrees, then what are the measures of the two remote interior angles?

asked by Ana on April 14, 2010
95. ## Math

Triangle ABC has angles measuring 137°, 15°, and 28°. Classify the triangle by its angle measures. right triangle acute triangle obtuse triangle multiangular triangle I thinks it's c

asked by Connexus Girl on December 20, 2017
96. ## geometry

in a parallelogram, consecutive angles aresupplementary. in the parallelogram below angle F measures (6x + 1) degrees and angle G measures (8x +11) degrees. find the numerical measure of both angles.

asked by Myquan on January 25, 2012
97. ## Geometry math

1: what is the correct classification for the triangle shown below? 1:acute, scalene

asked by Starfire on February 23, 2018
98. ## math

A triangle is rotated 35 degrees about the origin. What is true about the relationship between the image and the pre-image? A) The lengths of the sides and the measures of angles are preserved, so the triangles are congruent.

asked by fs12345 on November 7, 2017
99. ## cwi

The sum of the measures of the angles of any triangle is 180 degrees. In triangle ABC, the measure of angle A is 70° more than the measure of angle B. The measure of angle B is twice the measure of angle C. Find the measure of each angle.

asked by JJd on May 30, 2016
100. ## Geometry

if the measures of the angles of a triangle are in the ratio 1:3:5 , the number of degrees in the measure of the smallest angle is a. 10 b. 20 c. 60 d. 180

asked by Chyna on February 28, 2012