SOLUTION: If the perimeter of a rectangle is 42 cm and the area is 90 square cm, then what are the dimensions of the rectangle?
Algebra.Com
Question 1149168: If the perimeter of a rectangle is 42 cm and the area is 90 square cm, then what are the dimensions of the rectangle?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If the perimeter of a rectangle is 42 cm and the area is 90 square cm, then what are the dimensions of the rectangle?
----------------
P = 2L + 2W = 42
L + W = 21
L*W = 90
---
Find a pair of factors of 90 with a sum of 21.
RELATED QUESTIONS
If the perimeter of a rectangle is 42 cm and the area is 90 square cm, then what are the... (answered by ewatrrr)
what are the dimensions of a rectangle if the perimeter is 42 cm and the area is 80 cm... (answered by Alan3354)
If the perimeter of a rectangle is 46 cm and the area is 132 square cm, then what are the (answered by richwmiller)
If the perimeter of a rectangle is 44 cm and the area is 117 square cm, then what are the (answered by Alan3354)
If the perimeter of a rectangle is 54 cm and the area is 182 square cm, then what are the (answered by Alan3354,stanbon,MathTherapy)
If the perimeter of a rectangle is 36 cm and the area is 80 square cm, then what are the... (answered by Alan3354)
If the perimeter of a rectangle is 36 cm and the area is 77 square cm, then what are the... (answered by Alan3354)
If the perimeter of a rectangle is 44 cm and the area is 105 square cm, then what are the (answered by ikleyn)
the perimeter of a rectangle is 32 cm and the area is 55 square cm, then what are the... (answered by josgarithmetic)