50 points
only number 9
answer......step by step
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1
Answer:
radius is 12cm
and circumference is 75.36 cm
ar of cicle = πr²
144π = πr²
r² = 144
r = 12
so
cir. = 2πr
= 2*22/7*12
= 75.36 cm approx.
Answered by
2
sorry for that handwriting
refer to the attachment
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