Question

hello everyone .....
plz.. give me the answer of this question
if a quadrant of a circle is 38.5 cm square . then find its diameter .

Answer 1

Step-by-step explanation:

area of quadrant of a circle=(pi*r²)/4

38.5*4=pi*r²

r²=154*(7/22). (pi=22/7)

r²=49

r=7cm

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