willowgrace13
willowgrace13
02-02-2021
Mathematics
contestada
19. Find the measure of angle ABC.
Respuesta :
Аноним
Аноним
02-02-2021
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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