Question

Find perimeter of a half circle of radius 10cm

Answer 1

$<b>$

half circle is nothing but semicircle...

Perimeter=

$\pi \times r$

=3.14*10

=31.4cm

$\boxed{31.4cm}$

HOPE IT HELPS

Answer 2

Answer:

Step-by-step explanation:

Radius = 10cm

Perimeter = pie * d

                    22/7 * r

                    22/7 * 10

                    220/7

                    31.42 cm