The length of a rectangle plus its width is 25 cm. The area is 156 square cm. What are the length and width of the rectangle?
2 Answers
Length
Width
Explanation:
Let Length of the rectangle be
Let Width of the rectangle be
so
Area
or
or
or
or
Therefore
or
or
or
or
and we have been given
Adding up both the equations
we get
or
or
or
or
By putting the value of
We get
or
or
Explanation:
Let length be
Let width be
Lat area be
Then
'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Multiply everything by (-1)
Not that
And that