Question

The area of a circle is 314 cm". Find:
(1) the radius of the circle (ii)
(Use t = 3.14)
the area of its semicircle.​

Answer 1

Step-by-step explanation:

area of circle = pie (radius )2

314= 3.14 × r2

314/3.14 = r2

r2= 100

r=10 cm

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