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marin [14]
3 years ago
12

19. Find the measure of angle ABC.

Mathematics
1 answer:
aliya0001 [1]3 years ago
8 0

Answer:

72

Step-by-step explanation:

6x+6x+8x=180 (∠ sum of Δ)

20x=180

x=9

∠ABC=8(9)

         =72

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