Question

What is the area of a cirlce whose diameter is 42cm?

Answer 1

Answer:

Area of the circle is 1385.44 if the diameter is 42

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Answer 2

area of circle
$\pi {r}^{2}$
diameter :-42
redius 21
a/q

22/7×
${21}^{2}$
== 22/7 ×441 = 22 ×23
==506 is right answer