Open Middle®
Directions: Using the digits from 0 – 9, at most one time each, find the measures of the two angles forming supplementary angles as close as possible in size.
Hint
What is the relationship between angles that form supplementary angles?
Answer
Possible solutions:
87 and 93
86 and 94
84 and 96
87 and 93
86 and 94
84 and 96
Source: Debra Schneider
