Geometry Unit 1 Review

Front

What is the formula for the sum of the interior angles of a polygon with n sides?

Back

The sum of the interior angles of a polygon is 180(n - 2) degrees.

Front

How many degrees are in the sum of the interior angles of a hexagon?

Back

The sum of the interior angles of a hexagon is 720 degrees.

Front

What is a ray in geometry?

Back

A ray is a part of a line that starts at a point and extends infinitely in one direction.

Tags

CCSS.4.G.A.1

Front

What is the difference between a line and a line segment?

Back

A line extends infinitely in both directions, while a line segment has two endpoints.

Tags

CCSS.4.G.A.1

Front

How do you calculate the sum of the interior angles of a polygon with 25 sides?

Back

The sum is 180(25 - 2) = 4140 degrees.

Front

What is the measure of each interior angle in a regular pentagon?

Back

Each interior angle in a regular pentagon measures 108 degrees.

Front

What is the measure of the exterior angle of a regular polygon with 8 sides?

Back

The measure of each exterior angle is 45 degrees.

Front

If one interior angle of a triangle is 90 degrees, what type of triangle is it?

Back

It is a right triangle.

Tags

CCSS.4.G.A.2

Front

What is the relationship between the interior and exterior angles of a polygon?

Back

The interior and exterior angles at each vertex are supplementary, meaning they add up to 180 degrees.

Front

What is the formula to find the measure of one exterior angle of a regular polygon?

Back

The measure of one exterior angle is 360/n, where n is the number of sides.