Question

20 question pls solve it ................

Answer 1

area of semi circle bcd=1/2pie*r*r
=1/2*3.14×4×4
=9.12
ea=8 eabd is rectangle can be proved
area of eabd=8*10=80
are of efa=1/2*8*6=24
final area=80-24+9.12=65approx

Answer 2

Please see the attachment