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fiasKO [112]
3 years ago
7

I need help with this!

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
3 0

Answer:

angle j = 90

angle k = 29

angle L = 61

Step-by-step explanation:

180 = 90 + (4x-19) + (5x+1)

90 = 9x - 18

108 = 9x

x = 12

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