Question

Juhi is mother is ordering a new door mat for their front door the mat is a semicircle and the straight sideof the mat is 84cm what is the perimeter of the mat

Answer 1

Hey friend......

Perimeter = circumference


Here diameter of the mat is given,
Radius=84/2=42

Cifcumferance=
$2\pi \: r \div 2$
Therefore
= 22/7× 42

=132cm

Hope it helps you....

Answer 2

Answer:

Step-by-step explanation:

Radius=84/2=42

Cifcumferance=

Therefore

= 22/7× 42

=132cm