<span> d. Prevent the spread of communism outside of Eastern Europe.</span>
The option that isn't true about the supplementary angle is A. Angle r and angle h have a sum that's equal to 90°.
<h3>What is a supplementary angle?</h3>
It should be noted that a supplementary angle simply means the angle that has a sun that's equal to 180°.
In this case, the angles are also vertical angles. Their sum isn't equal to 90°.
Therefore, the correct option is A.
Learn more about supplementary angles on:
brainly.com/question/12919120
The dark cloud was like a stain of darkness over the wide-open plain.
(Is that too advanced?)
There was a red stain on the boy's shirt as he stood in the grassy plain.
(That's a bit simpler.)
I think it’s “ Swimming swiftly, was the only way for the dolphin to stay with its pod “
