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Anni [7]
3 years ago
8

How do you solve this step by step

Mathematics
1 answer:
nydimaria [60]3 years ago
3 0
Work shown above! x = 7
To solve use the supplementary angle next to the unknown angle to find an expression for that unknown angle and use that with the expressions inside the triangle to set equal to 180 and solve for x.

hope this helps c:

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