2 90 degree (right) angles
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Supplementary angles are angles that add together to equal 180, which is different from complementary angles that equal 90. So 180-37=143.
Supplementary angles are two angles that add up to 180 degrees. They are only equal if they both equal 90 degrees.
Give us a break! -- A 3° angle is congruent to another 3° angle, but their sum is only 6° , not 180°. -- Congruent angles are always equal, but supplementary angles don't have to be equal.
Yes. A supplementary angle is two angles with a common ray that equal 180 degrees.
Supplementary Angles