RRB Paramedical Staff Nurse Model Paper 8

Question : 57 of 100

Marks: +1, -0

Find the perimeter (in cm) of a semicircle of radius 28 cm.

Solution:

Perimeter of a semicircle

=\;{1}/{2} π d+d

=\;{1}/{2} × \;{22}/{7} × 56+56

=88+56=144 {cm}

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