السؤال 25

Which statement is true of every rectangle?

All four of its sides are the same length.
It has four right angles, one at each corner.الإجابة الصحيحة
Its two diagonals cross at right angles.
Exactly one pair of its sides is parallel.

الشرح

A rectangle is defined by square corners, so all four of its interior angles measure 90 degrees, and its opposite sides come out matching in pairs. Insisting that every side match in length describes a narrower shape, since a rectangle measuring 12 centimetres by 3 centimetres is still perfectly good.

الشرح

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