If the breadth of a rectangle is increased by 5 cms, its area is increased by 25 sq.cm. If the length is increased by 5 cms, its area increases by 20 sq.cm. Find the area of the rectangle in sq.cm.
If the breadth of a rectangle is increased by 5 cms, its area is increased by 25 sq.cm. If the length is increased by 5 cms, its area increases by 20 sq.cm. Find the area of the rectangle in sq.cm.
Solution
✅ Correct Option: 2
Area of a rectangle
When one side is increased and the other stays the same, the extra area (increase) (unchanged side).
The breadth is increased by cm, and the area goes up by sq.cm.
The extra area is a strip of width along the length:
cm
The length is increased by cm, and the area goes up by sq.cm.
cm
sq.cm