88.4k views
0 votes
Help please rn help

Help please rn help-example-1
User JEL
by
4.7k points

1 Answer

4 votes

Area of the large semicircle


= \pi{r}^(2) / 2


= (22)/(7) * 12 {}^(2) * (1)/(2)


= (11)/(7) *12 * 12


= (11)/(7) * 144


= 226.28

Area of the small semicircle


= \pi {r}^(2) / 2


= (22)/(7) * 6 {}^(2) * (1)/(2)


= (11)/(7) * 6 * 6


= (11)/(7) * 36


= 56.57

Area of the figure


= 226.28 - 56.57


= 169.71 {cm}^(2)

User Ebattulga
by
5.2k points