EM-1410
Pythagoras’ theorem
E Math · Secondary 3 · Medium · Pythagoras’ theorem
A ladder of length 10 m leans against a vertical wall. The foot of the ladder is 6 m from the wall. Using Pythagoras’ theorem, how high up the wall does the ladder reach?
- 8 m
- 4 m
- 6 m
- 12 m
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