An angle less than _____ is called an acute angle.
- 180°
- 80°
- 90°
- None of these
Explanation
An angle less than 90° is called an acute angle.
Exactly 90°: Right angle
Between 90° and 180°: Obtuse angle
Exactly 180°: Straight angle
More than 180° and less than 360°: Reflex angle
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- 0°
- 45°
- 90°
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- π/4
- π/2
- π
- None of these
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- sin(x)
- −sin(x)
- −cos(x)
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 2
- 4
- 6
- None of these
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- Approaches a finite limit
- Always increases
- None of these