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.
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Answer:
primary source because it was created by someone who was directly involved in the events
Explanation
Primary.S advantage- you would be able to know that you are getting the original information . disadvantage- very time consuming
Secondary.S advantage- provides many experts insights on the whatever you are researching about. disadvantage- may take longer to find specific information