Triangles

Triangles Quiz

1. Classify the following triangle based on its angle measures.

a. Obtuse

b. Acute

c. Right

d. Equiangular

2. In a right triangle, the two non-right angles are _____. (fill in the blank)

a. Obtuse

b. Isosceles

c. Supplementary

d. complementary

3. Which triangle is an obtuse isosceles triangle?

a.

b.

c.

d.

4. Classify the triangle based on the side lengths.

a. Scalene

b. Isosceles

c. Equilateral

d. Obtuse

5. A scalene triangle has three congruent sides.

a. True

b. False

6. Classify the triangle based on side lengths.

a. Scalene

b. Isosceles

c. Equilateral

d. Obtuse

7. The sum of the measures of the angles of a triangle is ____ .

a. 90˚

b. 180˚

c. 270˚

d. 360˚

8. Find the measure of angle X.

a. 75˚

b. 37.5˚

c. 52.5˚

d. 105˚

9. Which angle has the greater measure?

a. B

b. E

c. D

d. The angles are congruent

10. Solve for a in the diagram:

a. 58˚

b. 31˚

c. 29˚

d. 27˚