The measures of the four angles of a quadrilateral are in the ratio 1 : 2 : 4 : 5. What is the measure the biggest angle?
A. 120
B. 30
C. 60
D. 150
Answer: Option D
Solution (By Examveda Team)
The sum of a quadrilateral is 360°x + 2x + 4x + 5x = 360°
12x = 360°
x = 30°
Biggest angle = 5x = 5 × 30° = 150°
This Question Belongs to Arithmetic Ability >> Circular Measurement Of Angle
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