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nexus9112 [7]
2 years ago
15

Four straight lines k, l, m, and n intersect as shown in

Mathematics
1 answer:
Marta_Voda [28]2 years ago
8 0

Answer:

28

Step-by-step explanation:

2x-49 is opposite to an angle in line m

taking only line m

55+x+2x-49+90 = 180

3x = 84

x = 28

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