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topjm [15]
3 years ago
14

What is the value of x?

Mathematics
1 answer:
dexar [7]3 years ago
5 0

Answer:

x = 21

Step-by-step explanation:

ALL triangles add up to 180 degrees

180 = 22 + 57 + (5x - 4)

180 = 79 + (5x - 4)

101 = 5x - 4

105 = 5x

21 = x

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