joenlomasfoureyes joenlomasfoureyes
  • 18-12-2019
  • Mathematics
contestada

Find x if angle abd =4x-30 and angle cbd=x-6 if line bd bisects angle abc. Find angle abc also

Respuesta :

inchu420 inchu420
  • 30-12-2019

Answer:

Therefore, x = 8

Step-by-step explanation:

Given: see the figure

∠ abd = 4x - 30

∠ cbd = x - 6

line bd bisects ∠ abc

i.e ∠ abd = ∠ cbd ........... Definition of Angle bisector.

To Find:

x = ?

Solution:

line bd bisects ∠ abc

i.e ∠ abd = ∠ cbd ........... Definition of Angle bisector.

On substituting the values we get

[tex]4x-30=x-6\\\\4x-x=30-6\\\\3x=24\\\\x=\frac{24}{3} \\\\x=8[/tex]

Therefore, x = 8

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