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16. What geometric postulate justifies the following statement and corresponding figure?
3
If 21 = 20°, 22 = 27°, and 23 = 33°, then 21 + 2 + 23 = 80
A. Betweenness Postulate
C. Complementary Angle Postulate
B. Supplementary Angle Postulate D. Angle Addition Postulate
16. What geometric postulate justifies the following statement and corresponding figure?
3
If 21 = 20°, 22 = 27°, and 23 = 33°, then 21 + 2 + 23 = 80
A. Betweenness Postulate
C. Complementary Angle Postulate
B. Supplementary Angle Postulate D. Angle Addition Postulate
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C.Complementary Angle Postulate