Question

Find the number of sides of a regular polygon if each exterior angle of the polygon is (b) 90° (d) 120° (a) 45° (c) 4°




5. Find the number of sides of a regular polygon if each interior angle of the polygon is (a) 140° (b) 162° (c) 172° (d) 175





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Answer 1

Answer

Step-by-step explanation:

Formula for 1st question is

no of sides=360° ÷ exterior angle

Therefore,

b)360°/90°=4 sides

d)360°/120°=3 sides

a)360°/45°=8 sides

c)360°/4°=90 sides