If a 13 m crane is placed 12 m away from the wall, how high is the cra – InterviewSolution

1.

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

Answer»

Answer:

5 m

Step-by-step explanation:

LENGTH of ladder =13 m.

BC=12m,AC=13 m.

In ΔABC,

+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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