At a point 500m from the base of a water tank the angle o...
At a point 500m from the base of a water tank the angle of elevation of the top of the tank is 45o. Find the height of the tank.
250m
353m
354m
433m
500m
Correct answer is E
\(\tan 45 = \frac{x}{500}\)
\(x = 500 \tan 45\)
= \(500 m\)
The determination of the matrix \(\begin{pmatrix} 1 & 3 & 3 \\ 4 & 5 & 6\\ 2 & 0...
If the sum of the roots of the equation (x - p)(2x + 1) = 0 is 1, find the value of x ...
What is the rate of change of the volume V of a hemisphere with respect to its radius r when r ...
In the diagram, GI is a tangent to the circle at H. If EF||GI, calculate the size of ∠EHF ...
Evaluate \(\frac{2\log_{3} 9 \times \log_{3} 81^{-2}}{\log_{5} 625}\)...
In the diagram O is the centre of the circle. Which of the following is/are not true? I. a = b I...
In the diagram above, O is the centre of the circle ABC, < ABO = 26° and < BOC = 130&...