16Hit1600
Geometry and TrigonometryEasyDiagonal of a rectangular field

Geometry and Trigonometry practice question

A rectangular field is 30 metres wide and 40 metres long. How far is it, in metres, from one corner of the field to the opposite corner along the diagonal?

Answer: 50

The diagonal is the hypotenuse of a right triangle with legs 30 and 40: √(900 + 1600) = 50.

Common wrong answers

If you answered 70
70 is 30 + 40, walking along two sides.
If you answered 140
140 is the perimeter.
If you answered 1200
1,200 is the area.

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