- AAcute
- BRight
- CObtuse
- DReflex
Step-by-Step Solution
They add to 180°. If one is 90°, the other is 180° - 90° = 90°, also a right angle.
Answer: B) Right
Two angles are placed next to each other on a straight line, so together they form a straight angle.
If one of the angles is a right angle, what type is the other angle?
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