Polygons( Revision O'level )

A regular polygon has an interior angle of 176°.

Find the number of sides of this polygon.

• 90

• 184

• 4

A regular polygon has 72 sides.

Find the size of an interior angle.

• 108

• 175

• 288

Work out the size of one interior angle of a regular polygon with 20 sides

• 126

• 162

• 160

Find the size of one interior angle of a regular decagon.

• 144

• 30

• 170

• 165

• 300

• 156

• 119

• 61

• 241

• 10

• 50

• 70

• 76

• 101

• 155

• 54

• 90

• 45

• 12

• 60

• 150