Find the measure of each exterior angle of a regular
(i) Pentagon
(ii) Hexagon
(iii) Heptagon
(iv) Decagon
(v) Polygon of 15 sides.
Is it possible to have a regular polygon each of whose interior angles is 100?
How many diagonals are there in a hexagon?
(a) 6 (b) 8 (c) 9 (d) 10
How many diagonals are there in an octagon?
(a) 8 (b) 16 (c) 18 (d) 20
A polygon has 27 diagonals. How many sides does it have?
(a) 7 (b) 8 (c) 9 (d) 12
The angles of a pentagon are xo, (x+20)o,(x+40)o, ,(x+60)o and (x+80)o. The smallest
angle of the pentagon is
(a)75 (b) 68 (c) 78 (d) 85
The measurement of each exterior angle of a regular polygon is 40o. How many sides
does it have?
(a)8 (b)9 (c)6 (d)10
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