Acontractor is building a fenced-in area at a daycare. the area will be rectangular with the length of its base equal to half the length of the height. the total area will be 5000 square feet. determine the length of fencing the contractor will use

The length of fencing will be

Step-by-step explanation:

Step 1

Find the dimensions of the rectangle

we know that

The area of a rectangle is equal to

In this problem we have

so

-----> equation A

-----> equation B

Substitute equation B in equation A

square root both sides

Find the value of b

----->

step 2

Find the length of fencing

The perimeter of a rectangle is equal to

we have

substitute

the answer is d

step-by-step explanation:

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it