Question

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A guy wire attached to a vertical pole of height 18 m is 24 m long and has a stake attached to the other end. How far from the base of the pole should the stake be driven so that the wire will be taut?


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Answer 1

Answer:

Let AB (=24m ) be guy wire attached to a vertical pole BC of height 18 m. To keep the wire taut let it fixed to stake at A Then ABC is a right triangle right angled at C

∴AB

2

=AC

2

+BC

2

so ∴24

2

=AC

2

+18

2

or AC

2

=576−324

or AC

2

=252

or AC=

252

=6

7

cm

therefore the stake may be placed at a distance of 6

7

m from the base of pole

Answer 2

QUESTION :-

A guy wire attached to a vertical pole of height 18 m is 24 m long and has a stake attached to the other end. How far from the base of the pole should the stake be driven so that the wire will be taut?

ANSWER :-

$= 6 \: \sqrt[]{7}$

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