16Hit1600
Geometry and TrigonometryEasyLength of a slanted rope

Geometry and Trigonometry practice question

A rope runs from the top of an 8-metre pole to a peg 15 metres from the base of the pole. How long is the rope, in metres?

Answer: 17

√(8² + 15²) = √289 = 17.

Common wrong answers

If you answered 7
7 subtracts them.
If you answered 23
23 adds the lengths.
If you answered 289
289 is the square of the length.

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