6
Q:
A) 55.12 cm | B) 22.54 cm |
C) 42.51 cm | D) 38.57 cm |
Answer: D) 38.57 cm
Explanation:
Explanation:
We know that perimeter of rectangle = 2(l+b) = 2(8+7)= 30cm
Given perimeter of square is twice the perimeter of rectangle = 2(30) = 60cm
Therefore, side of the square is = 1/4 x 60 = 15cm
Circumference of the required semicircle = = = 23.57 + 15 = 38.57cm.