Question

find the area of circle of diameter 8.4 metre​

Answer 1

r=d/2
=8.4/2=4.2

Area of circle=22/7×4.2×4.2
=55.44sq.m

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Answer 2

Here is your answer mate...

Given :- Diameter = 8.4 m

Radius = 4.2 m

A/q

Area of circle = πr²

= 22/7 × 42/10 × 42/10

= 31.68

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