Question

Find the area of a semi-circle with
diameter d cm.​

Answer 1

I will let you answer this after reading below

Explanation:

a=area

`a = \pi {r}^(2)`

`r = d / 2`

write a in terms of d

`a = \frac{\pi {d}^(2)}{ 4}`

since it's a semicircle divide a by 2 and that's your answer

I can confirm you answer if you like in a comment