Question

5. In the formula , C = 2 ar, 'r'refers to
a) circumference b) area
c) rotation
6. If the circumference of a circle is 82 11 , then the value of'r'i
a) 41 cm
b) 82 cm
c) 21 cm
с C
7. The ratio of the area of a circle to the area of its semicircle is
a) 2:1
b) 1:2
c) 4:1
(
8. The formula used to find the area of the circle is
a) 4 r2
b) a r2
2
c) 2 ir
I. Each question carries TWO marks.
Fynress the fo11​

Answer 1

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