The angle of depression of a point Q from a vertical tower PR, 30m high, is 40°. If the foot P of the tower is on the same horizontal level as Q, find, correct to 2 decimal places, |PQ|.
The volume of a cylinder of radius 14cm is 210cm3. What is the curved surface area of the cylinder?
Simplify \(3\sqrt{12} + 10\sqrt{3} - \frac{6}{\sqrt{3}}\)
Factorize m(2a-b)-2n(b-2a)
If q oranges are sold for t Naira, how many oranges can be bought for p naira?
