Question

Find the area of a SEMICIRCLE with a radius of 2.5 ft.

Answer 1

The area of a semicircle of radius 5 cm is 39.25 sq.cm.

Step-by-step explanation:

Radius of circle = 5 cm

Area of semi circle =\frac{\pi r^2}{2}

2

πr

2

Area of semi circle =\frac{3.14 \times 5^2}{2}

2

3.14×5

2

Area of semi circle =39.25 cm^239.25cm

2

So, the area of a semicircle of radius 5 cm is 39.25 sq.cm.

#Learn more:

If the radius of circle is 2.5 cm what is the area of a semicircle

Answer 2

Step-by-step explanation:

$\frac{22}{7} \times 2.5 \times 2.5 \div 2 \\ = \frac{11}{7} \times 6.25 \\ = \frac{68.75}{7} \\ = 9.82$