A school boy lying on the ground 30m away from the foot of a water tank tower observes that the angle of elevation of the top of the tank is 60°. Calculate the height of the water tank.

Similar Questions

The solution of the quadratic equation px2 + qx + b = 0 is...

If 5x + 3y=4 and 5x-3y= 2, what is the value of (25x$^2$ -9y$^2$)?...

Find the equation of the locus of a point P(x,y) which is equidistant from Q(0,0) and R(2,1). ...

In the diagram, PQ is parallel to RS, < QFG = 105$^o$ and < FEG = 50$^o$. Find the value o...

Simplify \((25)^{\frac{-1}{2}} \times (27)^{\frac{1}{3}} + (121)^{\frac{-1}{2}} \times (62...

Points P and Q respectively 24m north and 7m east point R. What is the bearing of Q from P to the ne...

The diagram shows a rectangular cardboard from which a semi-circle is cut off. Calculate the area of...

In the figure, DE//BC: DB//FE: DE = 2cm, FC = 3cm, AE = 4cm. Determine the length of EC. ...

The expression x$^3$ - 4x$^2$ + cx + d is such that x + 1 is its factor, and its value is 1...

A steel ball of radius 1 cm is dropped into a cylinder of radius 2cm and height 4cm. If the cylinder...