Question

Find the diameter of the circle whose area is 144 π cm^2​

Answer 1

Step-by-step explanation:

$\pi {r}^{2} = 144\pi$

${r}^{2} = 144$

${r}^{2} = {12}^{2}$

$r = 12$

then

$2r = d$

$d = 2 \times 12$

$d = 24$

Answer 2

Answer:

a=πr^2

144π=πr^2

144π/π=r^2

r^2=144

r=√144

r=12cm

d=2r

d=24cm

don't forget to write the unit i.e cm

Step-by-step explanation:

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