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Mathematics
Problem
A ladder 13 m long is placed against a vertical wall such that its foot is 5 m away from the wall on level ground. How high up the wall does the ladder reach? a)
14
m
14 \text{ m}
14
m
b)
8
m
8 \text{ m}
8
m
c)
12
m
12 \text{ m}
12
m
d)
11
m
11 \text{ m}
11
m
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