17. Perimeter of a circle is 1.1 cm. Find the area of the circle.
(A) 0.9625 cm
(B) 0.09605 cm
(C) 0.06625 cm
(D) 0.09625 cm
Answers
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Step-by-step explanation:
perimeter = circumference of circle
2πr = 1.1cm
2 * 22/7 *r = 1.1cm
44/7 * r = 1.1
r = 1.1 * 7 ÷44
r= 7.7÷44cm
area of circle = πr^2
= 22/7 *(7.7/44)^2
= 3.14 * 59.29/1936
= 0.09625cm
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