Question

Note : Take a = until and unless stated otherwise.
7
1.
Find the area of a circle whose radius is :
(i) 2.8 m
(ii) 8.4 m​

Answer 1

Answer:

Ans ) area of circle is

$\pi r {}^{2}$

Step-by-step explanation:

$\pi = \frac{22}{7}$

then

$\frac{22}{7} \times 2.8 {}^{2}$

• 22/7× (28/10)²
• 22×112/
• 2.64