ACT Math · Geometry
Angles and polygons practice questions
Each free question on this page comes with its answer and a full explanation.
- Question 63Two parallel lines are cut by a transversal. One angle formed measures 112°. What is the measure of the co-interior (same-side…
- Question 69What is the sum of the interior angles of a regular hexagon?
- Question 149What is the measure of each exterior angle of a regular octagon?
- Question 155A triangle's exterior angle is formed by extending one side. The two remote interior angles measure 50° and 65°. What is the…
- Question 196Two angles are complementary. One angle is 5 times the measure of the other. What is the measure of the larger angle?
- Question 197Two lines intersect, forming vertical angles measuring 3x + 10 and 5x - 20. What is the value of x?
- Question 257An angle measuring 74° is bisected. What is the measure of each resulting angle?
- Question 269What is the measure of one interior angle of a regular decagon (10 sides)?