If measure of an arc of acircle is 160 degree and its length is 44 cm the what will be circumference of the circle
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Given
Theta=160°
Length of Arc= 44 cm
Theta/360 × 2×π×r = 44
160/360 × 2 × 22/7 × r = 44
On simplifying we get r = 63/4 cm
leave it in the fraction form it would be better later
now
Circumference of circle = 2×π×r
=> 2× 22/7 × 63/4
=> 99 cm ANS....
Theta=160°
Length of Arc= 44 cm
Theta/360 × 2×π×r = 44
160/360 × 2 × 22/7 × r = 44
On simplifying we get r = 63/4 cm
leave it in the fraction form it would be better later
now
Circumference of circle = 2×π×r
=> 2× 22/7 × 63/4
=> 99 cm ANS....
sahilagrawal11:
thank you so much yaar... I'm not getting it anywhere but now I got it...thanks a lot..and plz tell in which class you are studying..
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