Question

identifying and classifying angles mastery check how many obtuse angles are in this shape? a 2 b 4 c 6 d 8

Explanation:

Step1: Recall obtuse - angle definition

An obtuse angle is an angle with a measure greater than 90° and less than 180°.

Step2: Examine the octagon

In a regular octagon, each interior angle has a measure of 135° which is an obtuse angle.

Step3: Count the angles

A regular octagon has 8 interior angles.

Answer:

D. 8