yowchanani
yowchanani yowchanani
  • 11-05-2021
  • Mathematics
contestada

need help 8th grade math

need help 8th grade math class=

Respuesta :

GeorgeBush123
GeorgeBush123 GeorgeBush123
  • 11-05-2021

Answer:

60°

Step-by-step explanation:

outside angle = two opposite inside angles

10x - 45°  = 4x + 3x

3x = 45°

x = 15°

m∠B = 4x

m∠B = 4(15°)

m∠B = 60°

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Sallishia9 Sallishia9
  • 11-05-2021
The answer is 60 measures
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