Question

find the area of the semi circle of radius 42 cm.
please give the answer with dull steps . please

Answer 1

Answer:

Area of semicircles = πr square.

so r = 21 .

so 22/7 multiply 21 and 21 and.

we get 66 multiply 21

Answer 2

Answer:

area of semi circle =πr

putting values in formula

22/7×42

22×6

132