what is the formula for area and perimeter of semi circle

Asked by ssingh171085 | 15th Jun, 2020, 11:53: AM

Expert Answer:

Area of a circle is given by the formula:  Area = πr2
Perimeter of circle is same as its circumference
Therefore, Perimeter of a circle = circumference of a circle = 2πr
Area of a semi-circle = (πr2)/2
Circumference of a semi-circle = πr + d

Answered by Renu Varma | 15th Jun, 2020, 12:29: PM