Question

The area of a semi circle of radius 4r is​

Answer 1

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 = \dfrac{1}{2}

2

1

× π × r²

Radius = 4r ( Given )

\therefore∴

Area = \dfrac{1}{2}

2

1

× \dfrac{22}{7}

7

22

× (4r)²

Area = \dfrac{11}{7}

7

11

× 16r²

Area = 25.14r² unit²

Answer 2

Answer:

Area of the semicircle = × π × r². Radius = 4r ( Given ) Area = × × (4r)².

Step-by-step explanation:

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