Question

the perimeter of a rectangle is 12cm. the area is 5cm^2. what is the length of the sides

Answer 1

Answer:

Using the formulas

A=wl

P=2(l+w)

There are 2 solutions forl

l=P

4+1

4P2﹣16A=12

4+1

4·122﹣16·5=5cm

l=P

4﹣1

4P2﹣16A=12

4﹣1

4·122﹣16·5=1cm

Answer 2

Answer:

5cm or 1 cm

Step-by-step explanation:

Given,

A=wl

P=2(l+w)

There are 2 solutions for l