The diameter of a circle whose area is 3850 m² is.....
(a) 70 m
(b) 35 m
(C)65 m
(d)75 m
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The diameter of a circle whose area is 3850 m² is.....
(a) 70 m
(b) 35 m
(C)65 m
(d)75 m
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Answer:
since area of the circle pier^2
Pier^2=3850
22/7r^2=3850
r^2=3850×7/22
r=35
Answer(b)
Step-by-step explanation:
area of circle = πr²
3850 = 22/7 r²
3850*7/22 = r²
1225 = r²
35 ² = r ²
r = 35 m
so.radius is 35 then diamter = 2r
2*35 = 70 m
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