W - width
l - length
p - perimeter
The perimeter is 72 cm (p=72).
The length is twice the width (l=2w).
The formula for perimeter is 2w+2l=P.

Check the answer:

The length of the photo is 24 cm, the width of the photo is 12 cm.
Answer:
The answer is noncollinear
Step-by-step explanation:
Answer:
4/6 or 66.67 percent
Step-by-step explanation:
Answer:
-15
Step-by-step explanation:
0)(2)+(2)(0)−15
=−15