Given that the perimeter of a rectangle equals cm, and the ratio between the lengths of two of its sides
is , determine its area.
Use the given information to find the values of and . Then use those values to compute the area.
Find the values of and :
Let perimeter, length of one side, length of the adjacent side:
Substitute and into :
Substitute into :
Use the values of and to compute the area.
Let area, length of one side, and length of the adjacent side, such that .
Therefore, the area is .