danielahchf
danielahchf danielahchf
  • 28-11-2018
  • Mathematics
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If the line AD is a tangent to circle B, what is the measure of BCA?

If the line AD is a tangent to circle B what is the measure of BCA class=

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12Av13
12Av13 12Av13
  • 28-11-2018
90°

Cuz,
Perpendicular dropped on the point when a tangent touches a circle from its centre make an angle of 90°
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