Question

What is the best estimate for the area in square meters for marks garden

Answer 1

Given that,

To find the shaded area in the given figure.

Step-by-step explanation:

Area of the shaded region is Area of the rectangle - Area of the semicircle

we get,

Area of the semicircle:

Diameter= 8 m

Radius= 8/2= 4 m

Area of the semicircle is,

`\pi r^2=\pi(4)^2`

The approximate value of pi is 3.14

Substitute the value we get,

`=(3.14)(16)`
`=50.24`

Area of the rectangle is,

`=25*8=200`

Area of the shaded region is,

`=200-50.24`
`=149.76\text{ m}^2`

The best estimate for the area of the shaded region is 149.76 m^2.