Answer:
Step-by-step explanation:
9(5 + 2)
the answer is D
Answer:
83°
Step-by-step explanation:
We khow that the sum of a triangle's angle is 180°
- x is unkhown
- an angle with 43° and another unkhown one
We should calculate the first one wich is given by : 180-126= 54
now finally :
=83°
X = 42 and y = - 23 are the two numbers
your answer would be 13.5
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