the diameter of a circle having 154cm² area is _____
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Answered by
1
Step-by-step explanation:
area of circle is πr²
πr²=154
r²22/7=154
r²=154×7÷22
r²=49
r=√49
r=7
diameter=2r
diameter=2r=2×7
diameter=2r=2×7=14
Answered by
0
Step-by-step explanation:
area of the circle= 154cm^2
area= πr^2
154 = 22/7 x r^2
(154 x 7)/22 = r^2
7 x 7 = r^2
r = 7cm
therefore diameter = 2r
= 2 x 7 = 14cm
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