What is an acute angle?
Angles which are less than 90 degrees are known as Acute angle.
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- If an angle is acute, how can we know if it is an interior angle or an exterior angle?
- Say True or False:(a) The measure of an acute angle \( m \angle B$.
- What is an angle?
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- If $tan\ 2A = cot\ (A - 18^o)$, where $2A$ is an acute angle, find the value of $A$.
- If $sec\ 4A = cosec\ (A - 20^o)$, where $4A$ is an acute angle, find the value of $A$.
- What is an Alternate interior angle?
- If angle B and Q are acute angles such that B=sinQ, prove that angle B= angle Q
- An angle is $14^o$ more than its complementary angle. What is its measure?
- If \( \angle A \) and \( \angle B \) are acute angles such that \( \cos A=\cos B \), then show that \( \angle A=\angle B \).
- If \( \angle A \) and \( \angle P \) are acute angles such that \( \tan A=\tan P \), then show that \( \angle A=\angle P \).
- If \( \sin 3 A=\cos \left(A-26^{\circ}\right) \), where \( 3 A \) is an acute angle, find the value of \( A \).
- If \( \tan 2 A=\cot \left(A-18^{\circ}\right) \), where \( 2 A \) is an acute angle, find the value of \( A \).
- If \( \sec 4 A=\operatorname{cosec}\left(A-20^{\circ}\right) \), where \( 4 A \) is an acute angle, find the value of \( A \).
- If \( \sec 2 A=\operatorname{cosec}\left(A-42^{\circ}\right) \), where \( 2 A \) is an acute angle, find the value of \( A \).
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