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otez555 [7]
2 years ago
9

What is the value of x? enter your answer in the box. x =

Mathematics
1 answer:
leonid [27]2 years ago
4 0

Answer:

Step-by-step explanation:

Sum of all angles of triangle = 180

39 + 102 + x = 180

         141 + x = 180

Subtract 141 from both sides

                 x = 180 - 141

                 x = 39

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