Approximate circumference of a semicircle with a radius of 30 centimeters is 94.2 centimeter
Solution:
Given semicircle with a radius of 30 centimeters
To find: approximate circumference of a semicircle
To find circumference of semicircle we can divide the circumference of circle by 2
circumference of semicircle = circumference of circle [tex]\div[/tex] 2
[tex]\text{ circumference of semicircle} = \frac{2 \pi r}{2} = \pi r[/tex]
Substituting the given radius = 30 cm,
[tex]\text{ circumference of semicircle} = 3.14 \times 30 = 94.2[/tex]
Thus approximate circumference of a semicircle with a radius of 30 centimeters is 94.2 centimeter
