Question

I need help with this someone help me please!!

Answer 1

Option 4

Explanation:

Finding Area

The area of the semicircle is

`(\pi/2)(4^2) \approx (3.14/2)(16)=25.12`

The area of the trapezoid is

`(1)/(2)(8+20)(8)=112`

Adding these, we get the area to be about 137.12 square inches.

Finding Perimeter

The arc length of the semicircle is

`\pi(4) \approx 3.14(4)=12.56`

The sum of the lengths of the outer sides of the trapezoid is

`10+10+20=40`

Adding these, we get the area to be about 52.56 inches.