Find the area of the semicircle whose radius = 14cm.
Answers
Answered by
1
Answer:
Area of the Semicircle=1/2πr²
=1/2X22/7X14x14
=11X2X14
=308cm².
Answered by
0
Answer:
Area of semicircle =
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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
.