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