Solution:
Given:
- Length = 5 units
- Width = x units
Formula of area of rectangle: LB
Use the formula to find the area of the rectangle.
- Formula of area of rectangle = LB
- => Formula of area of rectangle = (5)(x) = 45
- => (5)(x) = 45
- => x = 45/5
- => x = 9
The measure of x is 9 units.
