16Hit1600
Geometry and TrigonometryEasyFraction of a straight angle

Geometry and Trigonometry practice question

A straight angle measures 180°. What fraction of a straight angle is an angle of 45°?

Answer: 1/4 or 0.25

45/180 = 1/4.

Common wrong answers

If you answered 4
4 inverts the fraction.
If you answered 1/2
1/2 uses 90 as the straight angle.
If you answered 1/8
1/8 uses 360.

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