The foot of a ladder is 6m from the base of an electric pole. The top of the ladder rest against the pole at a point 8m above the ground. How long is the ladder?
A
14m
B
12m
C
10m
D
7m
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
H\(^2\) = 8\(^2\) + 6\(^2\) + 6\(^2\)
H\(^2\) = 64 + 36 = 100
H = \(\sqrt{100}\) = 10m
Source: Myschool Past Questions Archive (Record #57361)