Question

if the parameter of sami circle is 36cm find its radius and area​

Answer 1

Answer:

Given data: Perimeter of semi-circle=36 cm. Therefore, (D) 14 cm is the correct answer.

Answer 2

Step-by-step explanation:

perimeter of semi circle = 36 cm

2πr/2=36

22/7 ×r=36

r=36×7/22

r= 11.45cm

now

area = πr²=22/7 ×11.45× 11.45=412.036 cm²

hope its useful