Question

question 30 of 30
which angle is an obtuse angle?
a. 170°
b. 310°
c. 260°
d. 80°

Explanation:

An obtuse angle is defined as an angle greater than 90° and less than 180°. Check each option: A (170°) is between 90° and 180°; B (310°) and C (260°) are reflex angles (over 180°); D (80°) is acute (under 90°).

Answer:

A. 170°