SOLUTION: A rectangle’s base is 7 cm longer than its height. The rectangle’s area is 144 cm^2? Find this rectangle’s dimensions. You must include units with your answers.

Question 1137122: A rectangle’s base is 7 cm longer than its height. The rectangle’s area is 144 cm^2? Find this rectangle’s dimensions. You must include units with your answers.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

let rectangle’s base be and height
if a rectangle’s base is longer than its height, we have
........eq.1

if the rectangle’s area is , we have
...substitute from eq.1

....factor completely

solutions: or ->disregard negative solution or height
so,
go to ........eq.1, substitute

answer: rectangle’s base is and height is

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