angelowens688
angelowens688 angelowens688
  • 11-05-2020
  • Mathematics
contestada

consider the triangle. (updated sorry) find line bc and angle a.

consider the triangle updated sorry find line bc and angle a class=

Respuesta :

kaufmann
kaufmann kaufmann
  • 12-05-2020

Answer:

line bc is 8.66 units and angle A is 60 degrees

Step-by-step explanation:

bc^2 + 5^2 = 10^2

bc^2 = 100 - 25

bc^2 = 75

bc = 8.660 units

sum of interior angles = 180 deg

30 deg + 90 deg + angle a = 180 deg

120 deg + angle a = 180 deg

angle a = 180 - 120

angle a = 60 deg

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