Triangles and Polygons

Front

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

Back

The sum of the interior angles of a polygon with n sides is (n - 2) × 180°.

Front

How do you find the measure of an exterior angle of a regular polygon?

Back

The measure of an exterior angle of a regular polygon is 360° divided by the number of sides (n).

Front

If the exterior angle of a regular polygon is 8°, how many sides does it have?

Back

45 sides.

Front

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

Back

Each interior angle is 135°.

Front

What is the formula to find the missing angle in a triangle?

Back

The missing angle can be found using the formula: 180° - (sum of the other two angles).

Tags

CCSS.8.G.A.5

Front

If two angles of a triangle are 50° and 60°, what is the measure of the third angle?

Back

The third angle is 70°.

Tags

CCSS.8.G.A.5

Front

What is a polygon?

Back

A polygon is a closed figure formed by a finite number of straight line segments.

Tags

CCSS.2.G.A.1

Front

What is the difference between regular and irregular polygons?

Back

Regular polygons have all sides and angles equal, while irregular polygons do not.

Tags

CCSS.2.G.A.1

Front

How many sides does a triangle have?

Back

A triangle has 3 sides.

Tags

CCSS.2.G.A.1

Front

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

Back

The sum of the interior angles of a quadrilateral is 360°.