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A semicircle has a diameter of 8cm, what it the area?

Area of a circle = pi × r2

Area of semi-circle = 1/2(Area of circle) 

= 1/2(pi × r2)

Diameter = 2r 

r = 8÷2 = 4

Area of semi-circle = 1/2(pi × 4

AP
Answered by Annabelle P. Maths tutor
8855 Views

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What you need to do is be tactical about what you learn. What I mean by this is tha...

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