Answer:
d
Step-by-step explanation:
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A pair of angles whose sum is 90° are called Complementary Angles. The answer is Complementary because Complementary Angles are angles that make a sum of 90°. Supplementary Angle are angles whose sum is 180° and Adjacent Angles are angles that have a common side or common vertex.
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I got x=-3.
Simplify both sides of the equation, then Isolate the variable.
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A Point is needed to define a circle
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