OUR Math 8.1.9.4 Cool-down: Finding Missing Measurements

Points A', B', and C' are the images of 180-degree rotations of A, B, and C, respectively, around point O.

Points A', B', and C' are the images of 180-degree rotations of A, B, and C, respectively, around point O.

1.

Answer each question and explain your reasoning without measuring segments or angles. Name a segment whose length is the same as segment AO.

2.

Answer each question and explain your reasoning without measuring segments or angles. What is the measure of angle A'OB'?