16Hit1600
Geometry and TrigonometryEasyAngle sum of a quadrilateral

Geometry and Trigonometry practice question

The four interior angles of a quadrilateral add up to how many degrees?

Answer: 360

A quadrilateral splits into two triangles: 2 × 180 = 360.

Common wrong answers

If you answered 90
90 is a single right angle.
If you answered 180
180 is the sum for a triangle.
If you answered 540
540 is the sum for a pentagon.

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