why can't a right triangle have decimals in the other two angles? it has a right angle, therefor the other two must add up to equal 180, correct? well i did my calculations, and i got 53.6 degrees for angle

11,541 results
  1. Math (please help!!)

    Which of the statements about the picture below is true? Choose 3. postimg(.)org/image/qb71bjkjh/f11870c4/ A. F is the circumcenter of the triangle

  2. Math

    If one of the angles of a triangle is 110 degree then the angle between the bisector of the other two angles is what ?

  3. 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.

  4. 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

  5. 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

  6. algebra

    The flag of a country contains an isosceles triangle.​ (Recall that an isosceles triangle contains two angles with the same​ measure.) If the measure of the third angle of the triangle is 45​° more than three times nbsp the measure of either of the

  7. 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

  8. geometry

    Triangle DEF contains two congruent acute angles. The sum of the measures of the two congruent acute angles is greater than 90 degrees. Anna concludes that the triangle must be an acute triangle. Which best describes her conclusion?

  9. Math- HELP

    There is a triangle inside of a circle. I have to find area of the shaded region which is the circle. So i would have to substract the area of the triangle from the area of the circle. the radius of the circle is 3 inches. I found the area of the

  10. right triangles can't have decimals in the angles?

    why can't a right triangle have decimals in the other two angles? it has a right angle, therefor the other two must add up to equal 180, correct? well i did my calculations, and i got 53.6 degrees for angle 1 and for angle 2, 36.4 degrees. they all add up

  11. Geometry

    The parallelogram has the angle measuers shown. Can you conclude that it is a rhombus, a rectangle, or a square? Explain. So I'm going to describe the image then I'll give what I think would be a correct answer to explain. (I'm really bad at this)

  12. Geometry

    1. Given: R and T are right angles and SV bisects RST Prove: RSV = TSV R and T are right angles / given R = T/ All right angles are congruent SV bisects RST/ given 1 = 2 / definition of angle bisector SV = SV / reflexive property RSV = TSV / would the

  13. math

    If one angle of a triangle is 100 and the other angles are in the ratio of 2:3, find the angles.

  14. statistics

    For a t distribution with 16 degrees of freedom, find the area, or probability, in each region. a. To the right of 2.120. (Use 3 decimals.) b. To the left of 1.337. (Use 2 decimals.) c. To the left of -1.746. (Use 2 decimals.) d. To the right of 2.583.

  15. Math

    Which set of angles could be the interior angles of a triangle? A. 10°, 20°, and 60° B. 20°, 20°, and 50° C. 20°, 30°, and 50° D. 20°, 60°, and 100° A is what i think

  16. Geometry

    Hi, I'm in Honors Geometry and I need a little help on this portfolio project. I know how to make the triangles but I'm not sure how to answer the questions. SSS: Cut three pieces of string. Make each piece of string the length of one of the sides of the

  17. Geometry

    The measure of an exterior angle of a triangle is 120. the interior angles that are not adjacent to this exterior angle are congruent. find the measures of the interior angles of the triangle

  18. 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

  19. 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

  20. 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

  21. MATHS-traingles

    one of the exterior angles of a triangle is 126 degree and the interior opposite angles are in the ratio 2:4. Find the angles of the triangle.

  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

  23. Algebra

    Question 1 A student writes an incorrect step while checking if the sum of the measures of the two remote interior angles of triangle ABC below is equal to the measure of the exterior angle. A triangle ABC is shown. The base of triangle extends into a

  24. math

    In a right angle triangle, two acute angles are in the ratio 2:3. Find the angles?

  25. Angles,Lines and Triangles

    Two angles of a triangle are equal and the third angle is greater than each one of them by 18 degree.Find the angles.

  26. 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

  27. geometry

    which of the following statements are true? a. if two angles form a linear pair, then the angles are supplementary b. if two angles are right angles, then the angles are complementary c. if two angles have the same measure, then the angles are congruent.

  28. math

    The measures of two angles of a triangle are 36 and 71. Find the measure of the third angle, and classify he triangle according to its angles. Would you have to add 36 and 71 and then subtract the answer from 180. Which gives you an answer of 73 acute

  29. Trig

    An isosceles triangle has a height of 12.5 m (measured from the unequal side) and two equal angles that measure 55°. Determine the area of the triangle. Split in half the triangle is a right triangle, so it's three angles are 90%, 55% and 70%. I'm still

  30. maths

    the angles of a triangle are arranged in asscending order of magnitude. if the diffrence between two consecutive angles is 10degree ,find all the three triangles

  31. algebra

    The flag of a country contains an isosceles triangle.​ (Recall that an isosceles triangle contains two angles with the same​ measure.) If the measure of the third angle of the triangle is 20​° more thantwice the measure of either of the other two​

  32. Math, please help me.

    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'

  33. 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

  34. 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

  35. geometry

    In a right _angled triangle one of the acute angles is 20 dgrees greater than the other.find the angles of the triangle

  36. math

    if the measure of the angles of a traingle are represented by 2x, 3x-15, and 7x+15, the traingle is 1 an isosceles triangle 2 a right triangle 3 an acute triangle 4 an equilateral triangle

  37. Statistics

    For a t distribution with 16 degrees of freedom, find the area, or probability, in each region. c. To the left of -1.746. (Use 2 decimals.) d. To the right of 2.583. (Use 2 decimals.) e. Between -2.120 and 2.120. (Use 2 decimals.) f. Between -1.746 and

  38. Math

    Classify the triangle by its angles and its sides. Explain how you knew which classifications to use. Cant add images but the angles are 70, 65 and 45. It's an acute triangle? I'm not sure what the question is asking but if my answer is right then thanks

  39. geometry

    Let the incircle of triangle $ABC$ be tangent to sides $\overline{BC}$, $\overline{AC}$, and $\overline{AB}$ at $D$, $E$, and $F$, respectively. Prove that triangle $DEF$ is acute. I have tried proving that triangle DEF's angles were les than the opposite

  40. Maths

    In A Right Angled Triangle,one Of The Acute Angles Is 20degree Greater Than The Other. Find The Angles Of The Triangle.

  41. Triangles

    Try to draw a triangle with side lengths of 3 Cm and 6 cm and an included angle of 120 degrees. Do given segments and angles produce a unique triangle, more than one triangle,or no triangle.

  42. math

    one of the angles of a triangle is 100 degree and the other two angles are equal. find each of the equal triangle

  43. Math

    A triangle has 2 angles that measure 60 each. Which of the following best describes thiz triangle. A. Right isoseles triangle B. Equilateral triangle C. Obtuse isosceles triangle D. Acute scalene triangle

  44. math

    It is a proof. Given: line DB bisects line AC line AD is parallel to line BE AD=BE Prove: DB=EC there are two triangles connected together by point B. They are labled A D B and B E C. D and E are the top points of the triangles. they look like they would

  45. 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

  46. Maths 11th Grade

    The difference between the two acute angles of a right-angled triangle is 2(pie)/5 radians. Express the angles in degrees?? How to Solve it

  47. 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?

  48. Math

    If the measures of the angles in a triangle are in the ration 3:4:5, the measure of the exterior angle of the triangle can not be a) 120D b)165D c)105D d)135D b 165 With the triangle ratio of 3:4:5 the equation can be made: 3x + 4x + 5x = 180 x = 15 The

  49. Mathematics

    The Question is: Three angles in a triangle are given by 4x+10, 3x+15, and 2x+20. a) Draw a diagram, and write an equation linking these angles together. b) Solve the equation for x. c) State the value of the three angles in the triangle. What I want to

  50. Geometry

    How can I tell if a triangle is a 30, 60 90 triangle or a 45 45 90? What are the characteristics? A 45-45-90 triangle has two equal angles (and sides). It is an isoceles right triangle, in other words. It is easy to tell by looking that a 30-60-90 triangle

  51. Math

    Write whether the statement is true or false. If false write a true statement. 1. A right triangle has three right angles. False a right triangle has 1 right angle 2. A triangle that has three sides of the same length is an equilateral triangle. True

  52. 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

  53. Physics

    My question is How do I calculate the resultant force if I have two forces one heading 3N and the other 4N. Tha angle between the line that is 3N and the resultant force is 30 degrees and the other one which is the 4N is 60 degrees How do I calculate the

  54. Per-calc Helppppp

    keep in mind answers should be pi radians or if necessary 3 dec. csc^2-2=0 all angles 4cos^2x-4cosx+1=0 all angles and name 8 angles 7sin^2x-22sinx+3=0 all angles and name 8 angles 2cos^2x-7cosx=-3 all angles sinx(2sinx+1)=0 all angles

  55. Math

    Triangle RST has angles measuring 38° and 75°. Triangle R′S′T′ has angles measuring 67° and 38°. The sides are proportional.. Is it dilation? If not what is it??

  56. physics and geometry

    ok proving that thest two angles are equal Gesh almost done lol :O h t t p : / /w w w .a n g e l f i r e. c o m / s ta r s / d h s ph y s i c s / f r ic t i o n . j p g ok How to prove this? Similar triangles. Notice the upper angle in that photo is a

  57. Math

    True or false and if false write a true statement 1. A right triangle has three right angles. 2. A triangle that has three sides of the same length is an equilateral triangle. 3. An obtuse triangle has two angles that are acute. 4. In a right triangle the

  58. trig

    Please answer b)only a) If a triangle has angles of 35 and 65 degrees, what is the measurment of the third angle? Is it a right triangle? b)Find all angles of a right triangle triangle RST given that r = 18 cm and s = 20 cm

  59. Math(geometry)

    I need to know how to find the meausure of a triangle using vertical angles, and also how to measure a triangle using linear pairs... Oh, I hope I'm not too late with an answer for you... To measure a triangle using linear pairs, you have to use the

  60. 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.

  61. Math

    Can someone explain how to use AAS to create a congruent triangle using this "Measure two angles and a side of the triangle not connected to those angles." So I already have two angles one is 25 and the other is 30. Can someone help now I already know one

  62. 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

  63. Honors Geometry

    In a proof, I am given that Triangle GCF is congruent to Triangle GKF is congruent to Triangle JHM. Triangle GCF and Triangle GKF are Vertical Angles. I am also given that Angle C(on Triangle GCF) is 4y, and Angle G(on Triangle GKF) is 16y. So, obviously,

  64. 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

  65. algebra

    Two angles of a triangle have the same measure. The measure of the third angle is 4° less than twice the measure of each of the equal angles. Given that the sum of the three angles of a triangle is always 180°, find each of the three angles.

  66. Geometry

    A triangle has two congruent angles and an exterior angle with measure 100. Find two possible sets of measures for the angles of the triangle.

  67. construct a triangle

    How can I construct a triangle ABC with vertices A(-4,2), B(4,3), C(1,-3). what are the angles in order from least measure to greatest measure Since you will have to use trigonometry to find the angles, surely you must know how to plot points. take the

  68. maths

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

  69. math

    Try to draw a triangle with 2 right or obtuse angles. What generalizations can you make about the angles of a triangle? Explain.

  70. Math

    Need help on the problem below. Tommy drew a triangle. Which information will enable you to draw a triangle that is congruent to Tommy's triangle? a. 2 given sides b. 2 given angles c. 2 given sides and 1 given angle d. 3 given angles Thanks....

  71. Mathematics

    In an isosceles triangle is one of the angles 40∘. What values are possible for the outer angles. This means two angles are the same right and need to total 180? So 40/40/100 or 40/70/70?

  72. mental arithmetic

    The three angles of a triangle each measure 60 degrees. Describe the triangle according to a)its angles b)its sides thank you if you help :D :)

  73. Advanced C

    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.

  74. math

    a=3,b=2,c=2 would this make a triangle? if so, how would i find the angles? thanks for helping. You would find the angles using the cosine law. When all three sides are given to a triangle, you can solve for each angle.

  75. geometry

    I am studying for my GRE exam into grad school and it's been a very long time since I've done geometry. I have a problem to which I need to solve for the area of a triangle but I do not have the base. I do have all angles but I cannot remember how to

  76. MATH

    The ratio of two angles of a triangle is 3:2.The remaining angle is the smallest which is half the largest angle of the triangle. What is the measure of smaller angle of a parallelogram if sum of both smaller angles of the triangle is equal to the larger

  77. geometry

    there is a problem on my paper in which there is a right angle forming a triangle. the right angle is to the right end of the triangle. at the vertex at the end of the left side, those two lines go on to make two more angles. how do i figure out the degree

  78. Math

    Imagine there is a triangle with two interior angles of 45◦ . If the shortest side of the triangle is 1cm long, what is the area of the triangle?

  79. 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?

  80. math

    which of the following triangles is both an obtuse triangle and isosceles triangle. A triangle with angles measuring: a) 60,60,60 b) 120,30,30 c) 110,15,55 d) 30,70,80

  81. 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?

  82. geometry

    How do you determine whether each pair of figures is similar and justify your answer? triangle PQR, side PR is 3 and angles P and R are both 60 degrees, triangle GHI, side GH is 7 and angles G and H are both 60 degrees.

  83. AMBIGUOUS CASE OF SINE LAW

    Triangle DEF where triangle E = 144 degrees, e = 10.5m and f = 12.5m. Determine the number of possible triangles that could be drawn with the given measures. Then, find the measure of the other angles in each possible triangle.

  84. 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

  85. geometry

    Given mÐ 1 + mÐ2=90, what can we conclude? Well, if the angles are in a triangle, the other angle is 90 degrees, which makes the triangle a right triangle.

  86. Geometry..... reposted ques by me

    in the diagram AB=20 cm, BC=21 cm, AD=10 cm and DE= 10.5 cm. Angles ABC and ADE are right angles. if triangle ADE is removed from triangle ABC.What is the area of shaded region that remains?

  87. 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

  88. 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

  89. mathematics

    In an isosceles triangle is one of the angles 40∘. What values are possible for the outer angles. (not asking help from Writeacher) only oobleck

  90. math

    How do you multiply decimals If you look at the box up above that says jump, scroll down to the math section. If you select arithmetic you'll see a section on decimals there. That section has a subsection on multiplying them. when you multiply decimals you

  91. Math

    The difference between two acute angles of a right triangle is 𝜋/9. Show the measures of these angles are 55° and 35°

  92. maths

    In a right triangle , the difference between two acute angles is ¦°\18 express the angles in degrees.

  93. Geometry

    The measures, in degrees, of the three angles are x, x+10, and 2x-6. Find the measure of all three angles of the triangle.

  94. math

    using two triangle rulers with angles of (30, 60, 90) and (45 , 45, 90) how many angles less than 180 degrees can be drawn?

  95. Geometry

    31.Identify the Hypothesis of the statement below. If you are riding on a train, then it will stop at every station on the line. A.You are riding on a train B.It will stop at every station on the line C.You are not riding on a train D.It will not stop at

  96. trig

    In a right triangle the hypotenuse has length 10 and the the sum of the cotangents of all three angles of the triangle equals 2. What are the lengths of the other two sides of the triangle? (A) 5 and 5p3 (B) 5p2 and 5p2 (C) 1 and3 p11 (D) 4 and 2p21 (E)

  97. algebra

    angles of a triangle The second angle of a garden triangle is four times as large as the first. the third angle is 45 degrees less than the sum of the other two angles. find the measure of each angle. 15 x 4=60 x 3 = 180 side a=15 side b = 60 sIDE C = 3

  98. Maths

    In a triangle with angles α,β,γ and opposite sides a, b, c you are given: α=35°, β=100°, b=40. Find all missing lengths and angles as well as the area correct to 1 decimal place.

  99. matha

    n a triangle one angle is of 70° and the other two angles are such that one is lesser by 20° then the other. what are the measure of these two angles

  100. trig

    Find all solutions to the following triangle. (Round your answers for angles A, C, A', and C' to the nearest whole number. Round your answers for sides c and c' to two decimal places. If either triangle is not possible, enter NONE in each corresponding

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