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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