158, 164, 170, 176, 182, 188
ANSWER:-
a = 3
EXPLANATION:-
4a + 6 = 12 - 2a
4a - 2a = 12 - 6
2a = 6
a = 6/2
a = 3
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The answer is 160
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If two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the triangles are congruent (Angle-Side-Angle or ASA).