Question

find area of a circle of diameter 8.5 metre

Answer 1

Area=πr^2
r=d/2
r=4.25
Area=22/7*4.25*4.25
=56.76m^2

Answer 2

HERE OS YOUR ANSWER
DIAMETER OF CIRCLE IS 8.5 SO RADIUS WILL BE 8.5/2
AREA OF CIRCLE IS (PI R SQ)22/7*8.5/2.8.5/2
WHICH IS 3.37 OR 3.4M SQ