Question
If the length of a rectangle is extended by 25% and its width is reduced by 20%, what is the percentage difference in the rectangle's area as a result of these changes?
More Mensuration Questions
- The diagonal and one side of a rectangular plot are 65 m and 63 m, respectively. What is the perimeter of the rectangular plot?
- A solid right circular cone of radius 8 cm and height 4 cm is melted and recast into a solid sphere. What is the radius of the sphere (in cm)?
- A semicircular sheet of metal of diameter 28cm is bent into an open conical cup. the capacity of the cup is. Use π = 22/7 (in cm 3 )
- The total surface area of a cube is given as 486 cm². What is the volume of the cube?
- A cylindrical tank has a height of 10 meters and a radius of 7 meters. What is the volume of the tank?
- Find the area of a trapezium with parallel sides 14 cm and 26 cm, and height 10 cm.
- The length of each edge of a cube is 2.3 cm. What is the total surface area (in cm²) of the cube?
- If sum of all interior angles of a polygon is 2520, then number of sides of that polygon is
- What will be the total surface area of a triangular pyramid whose sides are all 2cm long?
- A square has a perimeter of 88 cm. Find its area.
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