If a 13 m crane is placed 12 m away from the wall, how high is the crane.Show with a diagram and explanation please
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Answer:
5 m
Step-by-step explanation:
Length of ladder =13 m.
BC=12m,AC=13 m.
In ΔABC,
AB
2
+BC
2
=C
2
(Pythagoras theorem)
AB
2
=AC
2
−BC
2
=13
2
−12
2
=169−144
=25
∴AB=5 m.
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