HCU MCA 2013 Paper

Question : 18 of 75

Marks: +1, -0

Consider a square circumscribed by a circle with a radius of 4 units. The area of the square (in sq units) is

Solution:

(b) Given that, radius of circle = 4 units.
∴ Diameter of circle = Diagonal of square = 8

Let the side of square is a.
∴

\a√2=8

⇒

\;\;\;\;\a =4√2

∴ Area of square

=\a^2=(4√2)^2=32

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