Question

find the perimeter of the following figure which are shaded​

Answer 1

Answer:

perimeter of rectangle

2(l*b)

2*3*3

18 perimeter

Answer 2

Answer:

perimeter of four semicircle = 4πr

= 4 × 22/7 × 3/2

= 4 × 33/7

= 132/7 cm

perimeter of square = 4 × side

= 4 × 3

= 12cm

shaded region = 132/7 + 12 cm

= (132 +84)/7 cm

= 216/7 cm