Question

Find perimeter of semi circle if its diameter is 2.8 cm *

Answer 1

Answer:

4.4 cm2

Step-by-step explanation:

perimeter of semi circle = 1/2 π

$1 \div 2 \times \pi \times d$

• where d means diameter and pi value is 22/7
• by substituting the values in above equation we get the value 4.4{cm }^{2}