Week 15 Polygon Angles Flashcard

Front

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

Back

(n - 2) × 180°

Front

What is the sum of the exterior angles of any polygon?

Back

360°

Front

If a quadrilateral is a parallelogram, what can be said about its opposite angles?

Back

They are equal.

Front

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

Back

360° / n

Front

In a triangle, what is the relationship between the interior angles?

Back

The sum of the interior angles is 180°.

Front

What is the measure of each interior angle of a regular hexagon?

Back

120°

Front

If two angles are supplementary, what is their sum?

Back

180°

Front

What is the measure of the interior angle of a regular decagon?

Back

144°

Front

How do you find the value of x in a parallelogram when given one angle?

Back

Use the property that opposite angles are equal and adjacent angles are supplementary.

Front

What is the relationship between the angles of a triangle and a quadrilateral?

Back

The sum of the angles in a triangle is 180°, while in a quadrilateral it is 360°.