find the perimeter and area which is semicircle with diameter 14cm
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Hi ,
Let r and d are the radius and
diameter of the semicircle ,
d = 14 cm
r = d/2 = 14/2 = 7 cm
1 ) perimeter of the semicircle
= π r + d
= ( 22/7 ) × 7 + 14
= 22 + 14
= 36 cm
Area of the semi circle = π r²/2
A = ( 22/7 ) × 7² /2
= ( 11 × 7 )
= 77 cm
I hope this helps you.
:)
Let r and d are the radius and
diameter of the semicircle ,
d = 14 cm
r = d/2 = 14/2 = 7 cm
1 ) perimeter of the semicircle
= π r + d
= ( 22/7 ) × 7 + 14
= 22 + 14
= 36 cm
Area of the semi circle = π r²/2
A = ( 22/7 ) × 7² /2
= ( 11 × 7 )
= 77 cm
I hope this helps you.
:)
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