yunilka28
09.05.2021 •
Mathematics
Solve for x: 3(x+6)=21. A)1 B) 5 C)9 D) 13
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Ответ:
18. ASA Congruence Postulate • Postulate: The Angle-Side-Angle Congruence Postulate. If two angles and the included side of one triangle are congruent to two angles and the included side of a second triangle, then the two triangles are congruent.