What is the area of a semicircle of whose radius is 4r.
pls also explain it
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Question:
What is the area of a semicircle of whose radius is 4r.
Answer:
- As we know that the semicircle is the half part of the circle, therefore, its semicircle will also becomes half.
Area of the semicircle =1/2 × π × r² Radius = 4r ( Given)
Area = 1/2×22/7 × (4r)²
Area = 11/7× 16r²
Area = 25.14r²
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