SOLUTION: A rectangle is such that the lengths of its adjacent sides differ by 5cm. A similar rectangle measures 18cm by 28cm. Find the length and breadth of the first rectangle.

Question 696725: A rectangle is such that the lengths of its adjacent sides differ by 5cm. A similar rectangle measures 18cm by 28cm. Find the length and breadth of the first rectangle.
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
= width of the first rectangle
= length of the first rectangle
--> --> --> --> --> -->
--> --> length of the first rectangle =

Actually, for mental math, the ratio of corresponding sides is the same and also equal to the ratio of the differences in length, so I mentally calculated
and immediately knew that the dimensions of the first rectangle were half of the dimensions of the other one.
RELATED QUESTIONS
A rectangle is such that the lenghts of two of its adjacent sides differ by 5cm. A... (answered by KMST)

a rectangle has a perimeter of 18cm. Its lenght is 5cm greater than its width. find the... (answered by mananth)

a rectangle has a perimeter of 18cm its length is 5cm more than the width. find the... (answered by checkley77)

The adjacent sides of a rectangle differ by 5 feet.If the area of the rectangle is 84... (answered by mananth)

The adjacent sides of a rectangle differ by 7 feet. If the area of the rectangle is 78... (answered by Alan3354)

Adjacent sides of a rectangle differ by 5 ft. If the area of the rectangle is 84 sqft.,... (answered by stanbon)

a rectangle has a perimeter of 28cm and width of 5cm what is its... (answered by ewatrrr)

a rectangle measures 4cm by 5cm where the lengths are measured to the nearest cm. What is (answered by ewatrrr)

After reducing by an equal amount the length and width of a rectangle which were... (answered by greenestamps)