Question

Q6. Area of square if radius of circle
inscribed in it is 4 cm *​

Answer 1

Answer:

Area of square = Side × side

= 8 × 8 = 64 cm²

Answer 2

Description for Correct answer:

Fast Track Method

Here, r = 4 cm [by Technique 5]

Required area = \( \Large 2r^{2}= 2 \times 4^{2} \) =32 sq. cm.

Because, Diameter = Diagonal of square

Therefore, Area of square =\( \Large \frac{1}{2} \times \left(diagonal\right)^{2} \)

= \( \Large \frac{1}{2} \times 8^{2} = \frac{64}{2} \) = 32 sq. cm.

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