Question

3. Without using a measuring scale, how can you
find the area of the following correctly?
(a) 5 rupee coin
(b) A playing card
(c) A banyan leaf
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Answer 1

Answer:

I think you can feel easy and find solution.

Answer 2

Answer:

A. We find radius of coin and take out the area by using formula

$\pi \: r {}^{2} h$

B. By finding the length, width and height and finally using formula

$2({lb + bh + lh})$