Open Middle®
Directions: Using the digits from 1 – 9, at most one time each, find the measures of the two angles that form supplementary angles where their difference is as large as possible.
Hint
What is the relationship between the angles that form supplementary angles?
Answer
Possible Solutions:
23 and 157
24 and 156
26 and 154
23 and 157
24 and 156
26 and 154
Source: Debra Schneider
