Question

pls solve this fast​

Answer 1

Answer:

area of shaded region = 9.63

Step-by-step explanation:

r 2=3.5

r 1=7

ರಿ=30°

area of sector 1 = πr^2ರಿ\360

=22/7×7×7×30/360

=22×210/360

=12.83 cm^2

area of sector 2 = πr^2ರಿ /360

= 22/7×3.5×3.5×30/360

= 22×0.5×105/360

= 11×105/360

= 3.20

area of shaded region = area of sector 1 - area of sector 2

= 12.83 - 3.20

=9.63