a rectangular field is 45 feet wide and is enclosed by 210 feet of fencing what is the area of the field in square feet

Respuesta :

Find the length of the field first.  To do this, write a formula for the perimeter, P, of the field:  P = 210 ft = 2(45 ft) + 2L.

Then 2L = 210 - 90 = 120, and L = 60 (feet).

The area of the field is thus WL = (45 ft)(60 ft) = 2700 sq ft

The area of the field in square feet is equal to 2700 sq ft.

We have,

A rectangular field is 45 feet wide and is enclosed by 210 feet of fencing.

We have to determine the length of the field first.  

What is the write a formula for the perimeter, P, of the field is,

P = 210 ft

= 2(45 ft) + 2L.

Then 2L = 210 - 90 = 120, and

L = 60 (feet).

What is the area of the rectangle?

Area of rectangle=height × base

The area of the field is thus

WL = (45 ft)(60 ft)

= 2700 sq ft

The area of the field in square feet is equal to 2700 sq ft.

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