djdjfdje djdjfdje
  • 22-01-2018
  • Mathematics
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If BA BD, the value of x is:

If BA BD the value of x is class=

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gustanika
gustanika gustanika
  • 22-01-2018
If two angles are perpendicular, the sum of angles is 90°

This is the equation form
∠ABC + ∠CBD = 90°

Solve the equation to find the value of x
∠ABC + ∠CBD = 90°
4x + 5x = 90
9x = 90
x = 90/9
x = 10

The answer is 10
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