Question

In the given figure AB is the diameter where AP= 12 cm and PB= 16 cm .Taking the value of pie as 3,find the perimeter of the shaded region .

Answer 1

Answer:

Step-by-step explanation:

AB is diameter therefore

Angle APB = 90°.

Now,

AB2=PB2+AP2

=>AB2=16×16+12×12

=>AB2=256+144

=>AB2=400

=>AB=20cm

Answer 2

Answer in the attachment:-