Geometry Quiz
Instructions: Answer each question. Show your solutions when required.
1. What is the sum of the interior angles of a triangle?
2. Find the area of a rectangle with length 12 cm and width 5 cm.
3. A triangle has angles measuring 40∘40^\circ40∘ and 65∘65^\circ65∘. What is the measure of
the third angle?
4. What do you call a polygon with eight sides?
5. Find the circumference of a circle with radius r=7r = 7r=7 cm. (Use π=3.14\pi = 3.14π=3.14)
6. Two angles are complementary. If one angle measures xxx degrees, what is the measure of
the other angle?
7. A square has an area of 81 m². What is the length of one side?
8. Find the perimeter of a triangle with sides 6 cm, 7 cm, and 9 cm.
9. What is the volume of a cube with side length 4 cm?
10. In a right triangle, the legs are 6 cm and 8 cm. What is the length of the hypotenuse?