Question 25

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Jambmaths question: 

How many sides has regular polygon whose interior angle is 135o each

Option A: 

9

Option B: 

8

Option C: 

12

Option D: 

10

Jamb Maths Solution: 

Each exterior angle  = 180o – 135o = 45o

Total sum of exterior angle of any polygon is 360o

The  number of sides will be

${{45}^{\circ }}n={{360}^{\circ }},\text{ }n=8$

The number of sizes of the polygon is 8

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