Exterior angles

Maths

Angles in polygons

The total exterior angles of a polygon sum to...

The angle between a side of a polygon, and an adjacent side extended outward.

The angle on the outside of a polygon, often being reflex.

Which of the following most closely matches the definition of an "exterior angle"?

Impossible to tell; there's not enough information.

If an interior angle is 103 degrees, then the exterior angle would be...

If an exterior angle is 15 degrees, then the interior angle would be...

If I wanted to find the exterior angle of a regular n-sided polygon, which formula should I follow?

A triangle is made up of the following: 73 degrees, 51 degrees and x degrees. Solve for x.

If a quadrilateral contains 3 right angles, what must the final angle be to form a quadrilateral?

If the angles in a decagon are the following: 73 degrees, 293 degrees, 203 degrees, 9 degrees, 29 degrees, 184 degrees, 173 degrees, 93 degrees, 208 degrees, y degrees. Solve for y.

Is it possible to have two obtuse angles in a triangle?

You are told that V + W + X + Y + Z = total interior sum of a pentagon. If V = 90 degrees, W = 110 degrees, X = 10 degrees, Y = 300 degrees, what would Z be?

This lesson will be removed by end of Summer Term 2025.

Exterior angles

Lesson outcome

This lesson will be removed by end of Summer Term 2025.