Question

What is the area of a circle with a radius of 40 cm?
(Use 3.14 for Pi.)

Answer 1

Heya dear user !!!

Here is your answer,

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Area of circle = πr² (in which 'r' is the radius of the circle)

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Q. What is the area of a circle with a radius of 40cm?

Solution :

Area of the circle = πr²

= 3.14 × (40)²

= 3.14 × 1600

= 5024

Hence, area of the circle = 5024 cm square.

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Hope it helps.

Answer 2

radius =40/2=20
area of circle = πr^2
22/7×(20)^2
=22/7×400
=1257.14