Math, asked by cailalee07, 2 months ago

find the perimeter and area of a semicircle of 14m?

Answers

Answered by revesagain

1

Radius of a semicircle, r=14cm

Perimeter of a semicircle, P=(π+2)r units

∴P=(

7

22

+2)×14

=(

7

22+14

)×14=

7

36

×14=72

Perimeter of the semicircle = 72 cm.

Area of a semicircle, A=

2

πr

2

sq. units

∴A=

7

22

×

2

14×14

=308cm

2

.

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