# geometry

posted by .

the exterior angle 120degre and one interior angle 45degre of each triangle are given.find the other interior opposite angle and the third angle of each triangle.

• geometry -

The interior angle associated with the 120 degree exterior angle is its supplement: 60 degrees. With interior angles of 45 and 60 degrees, the third interior angle must be 180 - 105 = 75 degrees

• geometry -

• geometry -

Thanks drwls. I could not understand this post at all. :)

## Similar Questions

1. ### 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
2. ### geometry

the exterior angle and one interior opposite angle of each triangle are given.find the other interior opposite angle and the third angle of each triangle.given-120degre,45degree
3. ### geometry

the exterior angle and one interior opposite angle of each triangle are given.find the other interior opposite angle and the third angle of each triangle.given-120degre,45degree
4. ### geometry

If the ratio of the interior angle to the exterior angle is 5:1 for a regular polygon, find a. the size of each exterior angle b. the number of sides of the polygon c. the sum of the interior angles d. Name the polygon
5. ### 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 …
6. ### Math

Answer with Always, Sometimes or Never True. Kindly explain why so that I can understand. Thanks. 1. An interior angle and an exterior angle of a triangle are supplementary. 2. The bisector of an angle of an isosceles triangle is also …
7. ### 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?
8. ### Math

Prove that an exterior angle of a triangle is equal to the sum of the non adjacent interior angles of that triangle. Use the following variables in your proof. Exterior angle=w Interior adjacent angle= x Interior non adjacent angle1= …
9. ### Maths

An exterior angle of a triangle is 15°& one of the interior opposite angle is 35° find the other two angles of a triangles
10. ### Math

Prove the side of triangle is is produced then the exterior angle formed is equal to the sum of two interior opposite angle

More Similar Questions