Question

A rectangle’s width is 2 meters shorter than its length, l. Its area is 168 square meters. Which equation can be used to find the length of the rectangle?

l(l – 2) = 168
l(l + 2) = 168
2l 2 = 168
1/2l 2 = 168

Answer 1

Explanation:

the anwser is A or the first one trust

Answer 2

Since area of a triangle is;
l*w=area
l(l-2)=168