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The term "biological control" was first used by Harry Scott Smith at the 1919.
The volume of cone is 1267.2 cm3. If its height is 2.1 cm then find the radius of the cone.
The volume of water measured on a rectangular field 400m 200m is 8000 . Find the depth (amount) of rain that has fallen.
The ratio of the diagonals of a rhombus is 5:6, and the difference between their lengths is 7 cm. Find the area of the rhombus.
Find the surface area of the smallest cube that can perfectly fit a sphere of volume 36000π cm3 inside it.