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The length and breadth of a rectangle are increased by 8% and 5%, respectively. By how much percentage will the area of the rectangle increase?
If the lateral surface area of a regular tetrahedron is 75√2 cm², determine the volume of the tetrahedron
The perimeter of a rectangle is 64 meters, and the ratio of its length to its breadth is 9:7. What is the area of the rectangle?
Find the area of a triangle whose base is 35 cm and altitude is 40 cms.