What will be the area of a circle if the perimeter of its semi circle is 36cm
Answers
Answered by
0
this is complete answer.
hope it helps you.
answer is 154 sq. cm
hope it helps you.
answer is 154 sq. cm
Attachments:
Answered by
0
Answer:
Step-by-step explanation:
The perimeter of a semicircle is (pi)R+2R where R is the radius of the semicircle. Here, R[(pi) + 2] = 36, or
R = 36/[(pi) + 2]
= 7 cm.
Area of semicircle = [(pi)R^2]/2 =[22*7^2/7]/2= 11*7 = 77 sq cm.
Similar questions