Finding the area of a rectangle
A 4 inch wide by 6 inch long photo is enlarged 25%. What is the area?
From the given information, we understand that the photo is in the shape of a rectangle having dimensions 4 inch by 6 inch.
It is given that the photo is enlarged by 25%. This means that the dimensions increase by 25%.STEP 2:
Now the measures of the length and width of the enlarged photo are known, we can find its area. Make use of the formula of a rectangle
, A = lw
In the formula, l
stands for the length and w
stands for the width.
Substitute for the two variables.
The area of the photo after enlargement is 37.5 square inches