Question

only those who know can answer​

Answer 1

Answer:

188m

Step-by-step explanation:

perimeter of two semicircles = 2πr

= 2× 22/7 × 14

= 88 m

perimeter of two sides = (78 - 14 × 2) × 2

= 100 m

perimeter of given figure = perimeter of two semicircles + perimeter of two sides

perimeter of given figure = 100 + 88

= 188m

hope it helps.