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Leto [7]
3 years ago
5

For the figure shown to the right, find the value of the variable and the measure of the angels

Mathematics
2 answers:
sergeinik [125]3 years ago
6 0

Answer:

total \: angleof \: a \: triangle = 180 \\ then \\ x + 3x - 1 + x - 19 = 180 \\ 5x - 20 = 180 \\ 5x = 180 + 20 \\ 5x = 200 \\ x =  \frac{200}{5}  \\ x = 40 \\ thank \: you

Amanda [17]3 years ago
5 0

Answer:

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