3 years ago

Part A:

Mathematics

1 answer:

PIT_PIT [208]3 years ago

7 0

Answer:

∠ MON = 128°

Step-by-step explanation:

∠ LOM + ∠MON = ∠ LON , substitute values

3x + 43 + 8x + 104 = 180, that is

11x + 147 = 180 ( subtract 147 from both sides )

11x = 33 ( divide both sides by 11 )

x = 3

Thus

∠ MON = 8x + 104 = 8(3) + 104 = 24 + 104 = 128°

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