If the length and the breadth of a room are increased by 1 metre the area is increased by 21 square metres. If the length is increased by 1 metre and breadth is decreased by 1 metre the, area is decreased by 5 square metres. Find the perimeter of the room.
Solution:
More solutions:
- If the area of a semicircular region is 77 cm2.
- Given that the area of the shaded portion is 308 cm2.
- Calculate the number of complete revolutions.
- Give your answer correct to the nearest km.
- The circumference of a circle is 123.2 cm.
- Calculate the radius of the outer circle.
- Find the cost of paving the road at ₹50 per m2.
- Find the circumference of the two circles.
- Find the circumference of the circle.
- Find the area of the circle.