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Q.

Is it true that the area of the circle is 1.44 m 2 whose diameter is 1.4m?


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a

False 

b

True

answer is B.

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Detailed Solution

We are provided that the diameter of a circle is 1.4m and the diameter is twice the radius which implies r= 1.4 2 that is radius r is 0.7m.
Now, to find the area of a circle,
=π r 2
= 22 7 0.7 2
=1.54 m 2
Hence, the given statement is false and option 2 is correct.
Therefore, the area of the circle is 1.54 m 2 whose diameter is 1.4m.
 
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