# Help triangle angles!

9,311 results

### 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.

### 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 two angles that are ...

### 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

### 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 not sure how to find ...

### 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. You have two of them ...

### 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<< B. F is the incenter of the triangle C. F is the point of concurrency of the perpendicular bisector of the sides of the ...

### 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 angels of the triangle ...

### 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 does not have two ...

### 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

### 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 slope of each of the ...

### 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

### 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

### 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, the angle opposite it...

### 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? Why? 1) By definition ...

### math

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

### geometry

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

### Maths

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

### 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 because all sides are ...

### maths

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

### 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 :)

### 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

### 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 angles in triangle ...

### 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 to the two base ...

### 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 degree and 47 degree i ...

### 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 degree and 47 degree i ...

### 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.

### 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 don't get it. I would ...

### 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.

### 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.

### Angles,Lines and Triangles

The sum of two angles of a triangle is 116 degree and their differences is 24 degree.Find the measure of each angle of the triangle.

### 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

### 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 measure of 70. D: One...

### 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.

### 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 __degrees.

### 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?

### math

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

### 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

### 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 distance formula (which ...

### 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 angle of the ...

### 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 degrees. The other ...

### 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

### 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?

### 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....

### 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

### 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.

### 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

### 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?

### 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?

### 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?

### 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.

### 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 the top right, and the ...

### Math

If two angles of one triangle are congruent to two angles of another triangle, then?

### Geometry

Triangle RST has angles 38 and 75.Triangle rst has angles 67 and 38.the side are proportional.

### 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.

### Math algebra

The sum of the measures of the angles of a triangle is 180° Find the three angles of a triangle if one angle is 20° greater than the smallest angle and the third angle is twice the smallest angle.

### 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

### GEOMETRY (Angles) PLEASE

in triangle ABC, angle b is 5 more than twice angle A and angle C iss 35 less than three times angle A. Find the angles of triangle ABC

### math

Is it possible to have two right angles as exterior angles of a triangle?

### Maths

How many right angles are equal to the sum of the three angles in a triangle

### math

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

### math

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

### maths

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

### Math

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

### 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?

### Geometry

In the triangle, angles ABC and ADE are right angles. If AC = 35, AE = 11, and BE = 10, then what is AD?

### 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

### 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 ?

### math

I need to find out the type of triangle (by the type of angles). Is triangle acute, right or obtuse, when the lenghts of triangle sides are: a) 7, 8, 12 b) 20, 15, 40 c) 2/3, 8/9, 10/9

### 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 these angles A = 2C B...

### 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??

### 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.

### 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.

### 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) Description: There's a ...

### 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 circle..it is 28.27 in.^2 I am...

### Math

'one angle is 4 times as large as another angle of the same triangle. the third angle o the triangle has a measure of 60 degress.' what are the measures of the other two angles in the triangle.

### Geometry

If the measures of the exterior angles of the acute angles of a right triangle are (6x+23) and (4x+17), find the measures of the acute angles.

### 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

### 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

### GEOMETRY ONE QUESTION PLEASE HELP!!!!!

Where is the circumcenter of any given triangle? the point of concurrency of the altitudes of the triangle the point of concurrency of the perpendicular bisectors of the sides of the triangle the point of concurrency of the bisectors of the angles of the triangle the point of ...

### math

In a triangle ABC , the internal bisectors of angles B and C meet at P and the external bisectors of the angles B and C meet at Q. prove that: angle BPC + angle BQC = 2 rt. angles.

### geometry

In a triangle ABC , the internal bisectors of angles B and C meet at P and the external bisectors of the angles B and C meet at Q. prove that: angle BPC + angle BQC = 2 rt. angles.

### trig

If a triangle has angles 35 and 65 degrees, what is the measurment of the third angle? Is it a right triangle?

### trig

Find all angles of a right triangle triangle RST given that r = 18 cm and s = 20 cm

### algebra

the three angles of a triangle are 3x,x+10, and 2x-40. Find the size of the smallest angle in a triangle

### Math

The ratio of the measures of the three angles of a triangle is 2:5:8. What is the measure of each angle of the triangle.

### geometry

I am given triangle EDF with angles E and F being congruent. What is the perimeter of the triangle if ED= 2x+8, EF= 3x-6, and DF= 4x-6.

### geometry

If the degree measures of the angles of a triangle are represented by x,y,x+y the triangle must be??

### Math

The sum of the degrees of the interior angles of a triangle is _____ degrees What is the sum of the interior angles of a parallelogram ? What is the sum of the interior angles of a rhombus? What is the sum of the interior angles of a kite? What is the sum of the interior ...

### 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) None of the above.

### geometry

If the measures of the acute angles of a right triangle are 3x + 4 degrees and 4x + 2 degrees, what are the measures of all three angles of the right triangle?

### math

Susie drew a triangle with angles that measure 47, 43. and 90 degrees. What type of triangle did she draw?

### Geometry

The measures of the interior angles of a triangle are in the ratio 1:2:3. what is the measure of the smallest angle of the triangle is?

### Geometry

A triangle has vertices (3, 0) and (6, 4). One of its angles is bisected by the x axis. Find the perimeter of the triangle.

### 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 answer blank.) B = 113...

### geometry

The measures of two of the angles of a triangle are 47o and 51o. Then the measure of the third angle of the triangle is

### math

If the angles of a triangle arc in the ratio of 5:6:7, the triangle is Acute Obtuse Right Isosceles Equilateral

### SAT math

Can someone please double check my true and false answers! 1. All cylinders are prisms: TRUE 2. The angle opposite a side length of 6 cm in a triangle is larger than an angle opposite a side length of 7 cm in the same triangle: FALSE 3. The perpendicular bisector of the base ...

### Math

Triangle ABC is an obtuse triangle with two congruent angles. If m< C = 108 write an expression that represents m<A

### 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