temin2100000 temin2100000
  • 08-10-2020
  • Mathematics
contestada

Suppose point D is in the interior of ∠ABC, m∠ABC=120 degrees, m∠ABD=3x+40, and m∠DBC=2x−10. What is m∠DBC

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bestiebuilds
bestiebuilds bestiebuilds
  • 08-10-2020

∠ABC is 130 degrees.

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amybutcher1982 amybutcher1982
  • 09-10-2020

Answer: 30

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