In the diagram, |QR| = 10m, |SR| = 8m o, o and |PS| = x, Find x
-
A.
1.32m -
B.
6.32m -
C.
9.32m -
D.
17.32
Correct Answer: Option C
Explanation
In right angled (bigtriangleup)QPR
tan 30o = (frac{10}{x + 8})
(x + 8) tan 30 = 10
x + 8 = (frac{10}{0.5773})
x +8 = 17.3
x = 17.3 – 8
x = 9.32