Question

1. On a square handkerchief, nine circular designs each of radius 7 cm are made
(see Fig. 12.29). Find the area of the remaining portion of the handkerchief.
A
В
C.
D
o
B
D
Fig. 12.30
Fig. 12.29
ith centre O and radius 3.5 cm. IfOD=2 cm,​

Answer 1

Wright answer is 378. cm2