Question

The perimeter of a square is equal to twice the perimeter of a rectangle of length 10

cm and breadth 4 cm. What is the circumference of a semi-circle whose diameter is

equal to the side of the square?

(A) 38 cm
(B) 36 cm
(C) 35 cm
(D) 48 cm​

Answer 1

Answer:

The perimeter of a square is equal to twice the perimeter of a rectangle of length 8cm and breadth 7cm. What is the circumference of a semicircle whose diameter is equal to the side of the square ? Circumference of the required semicircle = πr + 2r = 227× 152 + 2×152 = 23.57 + 15 = 38.57cm.

Step-by-step explanation:

approximately final answer is 38 cm