Answer:
complementary angles
Step-by-step explanation:
complementary angles are angles that add up to 90 and that adds up to 90
when the two angles added together, it will be 90 degrees.
What diagram?
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1. 4.5x
2. 4.5x+12=48
3. x=8
4.5(8)+12=48
36+12=48
48=48
