Discussion Forum : Lines Angles And Triangles
Question - Which of the following angles is not less than a straight angle?
Options:
A .  Acute angle
B .  Obtuse angle
C .  Right angle
D .  Reflex angle
Answer: Option D
:
D
A Straight angle = 180
An Acute angle is less than90
An obtuse angle is more than 90but less than180
A Right angle = 90
Reflex angle is the only angle which is greater than 180 and less than 360

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