Geometry and TrigonometryEasyLength of a diagonal brace
Geometry and Trigonometry practice question
A rectangular gate is 12 feet wide and 5 feet tall. A straight brace runs from one corner to the opposite corner. How long is the brace, in feet?
Answer: 13
√(12² + 5²) = √169 = 13.
Common wrong answers
- If you answered 7
- 7 subtracts the sides.
- If you answered 17
- 17 adds the sides.
- If you answered 169
- 169 is the square of the length.
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