➡️ Acute angles measure less than 90 degrees. Right angles measure 90 degrees.Obtuse angles measure more than 90 degrees.
Example:
Which of the following is not obtuse angle?
a. 89°
b. 171°
c. 152°
d. 231°
The answer is letter a.89°
•BecauseletterB,CandDaremorethan90°
Note:
Angles between 0 and 90 degrees (0°< θ <90°) are called acute angles. Angles between 90 and 180 degrees (90°< θ <180°) are known as obtuse angles. ... Angles that are 360 degrees (θ = 360°) are full turn.
Answers & Comments
Answer:
➡️ Acute angles measure less than 90 degrees. Right angles measure 90 degrees.Obtuse angles measure more than 90 degrees.
Example:
Which of the following is not obtuse angle?
a. 89°
b. 171°
c. 152°
d. 231°
The answer is letter a.89°
•Because letter B,C and D are more than 90°
Note:
Angles between 0 and 90 degrees (0°< θ <90°) are called acute angles. Angles between 90 and 180 degrees (90°< θ <180°) are known as obtuse angles. ... Angles that are 360 degrees (θ = 360°) are full turn.
Answer:
An obtuse angle is a type of angle that is always larger than 90° but less than 180°. In other words, it lies between 90° and 180°.