A boy looks through a window of a building and sees a man...
A boy looks through a window of a building and sees a mango fruit on the ground 50m away from the foot of the building. If the window is 9m from the ground, calculate, correct to the nearest degree, the angle of depression of the mango from the window
9o
10o
11o
12o
Correct answer is B
tan \(\theta\) = \(\frac{9}{50}\) = 0.18
\(\theta = tan^{-1} 0.18\)
\(\theta\) = 10.20
In the diagram above, XY = 8cm and OX = 5cm. Find Oz ...
Factorize 2e\(^2\) - 3e + 1 ...
What value of Q will make the expression 4x2 + 5x + Q a complete square?...
Each interior angle of a regular nonagon(nine sided polygon) is equal to...
The table above gives the scores of a group of students in an English Language test If a student ...
The set of value of x and y which satisfies the equations x2 - y - 1 = 0 and y - 2x + 2 = 0 is...
\(\begin{array}{c|c} \text{Age in years} & 13 & 14 & 15 & 16 & 17 \\ \hline \tex...
Find the mean deviation of a set of numbers: 14, 15, 16, 17, 18, and 19. ...
In the figure below, /MX/ = 8cm, /XN/ = 12cm, /NZ/ = 4cm and ∠ XMN = ∠ XZY. Calculate /YM/ ...