SOLUTION: The perimeter of a rectangular piece of metal is 44 centimetres. The area is 112 square centimetres. What are the dimensions of the piece?

Question 1088247: The perimeter of a rectangular piece of metal is 44 centimetres. The area is 112 square centimetres. What are the dimensions of the piece?

Found 2 solutions by Alan3354, ikleyn:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The perimeter of a rectangular piece of metal is 44 centimetres. The area is 112 square centimetres. What are the dimensions of the piece?
----------------------
P = 2L + 2W = 44
L + W = 22
---
L*W = 112
---
Hint: L & W are integers

Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.
This problem is for MENTAL solution.

Find two co-factors of 112 that sum up to 22.

RELATED QUESTIONS
The perimeter of a rectangular ink pad is 26 centimetres. It is 8 centimetres wide. How... (answered by ikleyn,josgarithmetic,math_tutor2020)
The area of a rectangle is 64 square centimetres. What are the dimensions if the... (answered by Alan3354)
A rectangular painting measures 48 centimetres by 30 centimetres. It has a border 3... (answered by josgarithmetic)
A parallelogram has a perimeter of 17 centimetres. Two of the sides are 3.5 centimetres... (answered by Cromlix)
What number represents the volume of a cube in cubic centimetres that is numerically... (answered by Edwin McCravy)
5 similar rectangles are used to form a big rectangle. If the area of the big rectangle... (answered by KMST)
5 similar rectangles are used to form a big rectangle. If the area of the big rectangle... (answered by KMST)
a rectangular piece of wood is 12cm longer than it is wide. a strip of 1cm wide is cut... (answered by Fombitz)
A small square is cut out of a larger square. The side lengths of both squares, in... (answered by KMST)