Question

find the area and perimeter of a semi circle with the diameter of28 cm​

Answer 1

hey mate good morning,

here is your answer

ur question :-

Area of semi circle = ?

diameter = 28 cm

radius = diameter / 2

= 28 / 2

= 14

:. radius = 14

( formula = 1/2*π*r^2 )

(putting values in formula)

Area = 1/2 *22/7*14^2

= 11/7 * 196

= 11 * 28

= 308 cm^2

:. Area of semi circle is 308 cm^2

hope it helps...........

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