Question

plz solve given question and plz send steps too..​

Answer 1

Answer:

here your answer.....

Step-by-step explanation

we know that perimeter of semi circle

(36/7)r or πr+2r

ATQ

(36/7)r=108 CM

r=(108/36)*7

r=3*7=21

area

(1/2)πr^2

(1/2)(22/7)×21×21

11*3*21=693 square CM

Answer 2

Answer:

I think these might help