RRB NTPC Prelims Model Paper 1 with solutions

Question : 15 of 100

Marks: +1, -0

Find the area of a square inscribed in a circle of radius 4 cm.

Solution:

Diameter of circle = Diagonal of square = 8 cm
∴Area of square

=1/2 (\text "diagonal")^2

=1/2 × 8 × 8 = 32 sq. cm

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