Question

What is formula of perimeter of semicircle.

Answer 1

Perimeter of Semi-circle = Diameter + Half of circumference of the circle

=> perimeter = 1/2 × 2πr + 2r

=> perimeter = πr + 2r

=> perimeter = r ( π + 2 )

ANSWER : R ( π + 2 )

Answer 2

$\huge\mathfrak{/Answer}$

$\mathcal{2πr\:+\:2r}$