Geometry Quadrilaterals & Polygons 2

Question 1

What is the sum of the interior angles of a hexagon?

Accepted Answer

720°

Answer

Using (n-2)×180° with n=6 gives 4×180° = 720°.

Question 2

Which quadrilateral has exactly one pair of parallel sides?

Accepted Answer

Trapezoid

Answer

A trapezoid is defined by having exactly one pair of parallel sides.

Question 3

The measure of each interior angle of a regular pentagon is:

Accepted Answer

108°

Answer

The interior angle sum 540° divided by 5 sides equals 108°.

Question 4

In a parallelogram, consecutive angles are always:

Accepted Answer

Supplementary

Answer

Consecutive angles in a parallelogram add to 180°, making them supplementary.

Question 5

How many diagonals does a regular octagon have?

Accepted Answer

20

Answer

Using n(n-3)/2 with n=8 gives 8×5/2 = 20 diagonals.

Geometry Practice Test