Answer:
83
Step-by-step explanation:
the angle with 126 is supplementary and all the angles of the triangle are supplementary
180-126 = 54
54 + 43 = 97
180 - 97 = 83
Answer:
a+51=90
a+51+90=180
39
Step-by-step explanation:
hope this helped :)
Answer:
346 / 45
Step-by-step explanation:
6 + 6 + 5.3
9
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4
Answer:
Step-by-step explanation: