Question

Perimeter of Semi-Circe if
radius is 3.5 cm.

Answer 1

Since now we are talking about a semicircle the Perimeter/Circumference will be divided 2

The diameter is given by =2 times radius

=2×3.5

=7cm

`p = (\pi * d)/(2) \\ = (\pi * 7)/(2) \\ p = 10.9955742876`

You can round off to the significant figures of your choice.

Answer 2

Answer: 22 cm

Explanation: