find the area of quadrant of a circle whose circumference is44 cm
Answers
Answered by
1
2πr=44
r=22÷π
then....
area=πr2
then.
area=π×22÷π×22÷π
area=22×22×7÷22
area=22×7
area=154cm2
r=22÷π
then....
area=πr2
then.
area=π×22÷π×22÷π
area=22×22×7÷22
area=22×7
area=154cm2
Answered by
16
Given,
To find,
Solution,
It should be noted that a quadrant of a circle is a sector which is making an angle of 90°
- As,
- So,
- Here, θ = 90°
- So,
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