Question

How to caalculat the area of a semi circle

Answer 1

do a full circle then divide it

Answer 2

right ?

Answer 3

Semi circle formula is:

\(\large\bf{A=\frac{\pi r^{2}}{2}}\)

Answer 4

The area of a semicircle is half of the area of the circle. As the area of a circle is πr2. So, the area of a semicircle is 1/2(πr2 ), where r is the radius.

Answer 5

ok, thank you.

Answer 6

@shawnte

Answer 7

you've summoned me

Answer 8

to thank you.

Answer 9

so thankyou.

Answer 10

oh yea np anytime