Question

What is the primeter of the
below figure
​

Answer 1

perimeter of the semi circle = πr

$r = \frac{2.8}{2} cm = 1.4 \: cm$

$= > \pi r = \frac{22}{7} \times 1.4 \: cm = 4.4 \: cm$

Total perimeter = 4.4 cm + 1.5 cm + 1.5 cm + 2.8 cm

= 7.2 cm + 3 cm

= 10.2 cm