Interior angles of polygon

Find the sum of interior angles for a polygon with 13 sides

• 2340^o

• 1980^o

• 4680^o

• 3960^∘

Find the size of one interior angle for a regular quadrilateral

• 360^o

• 180^o

• 72^o

• 90^o

Find the size of one interior angle for a regular nonagon

• 360^o

• 140^o

• 180^o

• 135^o

Each of the interior angles of a regular polygon is 165^∘. How many sides does the polygon have?

• 20 sides

• 22 sides

• 24 sides

• 26 sides

Each of the interior angles of a regular polygon is 160^∘. How many sides does the polygon have?

• 16 sides

• 18 sides

• 20 sides

• 22 sides

Four interior angles in a pentagon are each 115^∘. Find the size of the other angle.

• 540^o

• 80^o

• 460^o

• 305^o

Work out the size of the angle labeled x.