Question

using figure a, classify the following angles as obtuse, acute or right angle

Answer 1

<AOB, <AOC, <AOD, <AOE, <AOF are acute angles of measure 15°, 30°, 45°, 60°, 70° respectively.

<AOG is a right angle (measure 90°)

<AOH, <AOI, <AOJ, <AOK, <AOL are obtuse angles of measure 105°, 120°, 135°, 150°, 165° respectively

<AOM is a straight angle (measure 180°)