marcodeluna123 marcodeluna123

21-05-2020
Mathematics

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Please Help! AC is tangent to circle O at A. The diagram is not to scale
If mBY = 52, what is mYAC

Please Help AC is tangent to circle O at A The diagram is not to scale If mBY 52 what is mYAC class=

Respuesta :

ronhagrid310 ronhagrid310

21-05-2020

Answer:

As shown in picture, AC is tangent to circle O

=> angle BAC = 90 deg

As the property of angle on circle:

=> BAY = (1/2) arc BY = (1/2) x 52 = 26 deg

=> angle YAC = angle BAC - angle BAY = 90 - 26 = 64 deg

Hope this helps!

:)

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amna04352 amna04352

22-05-2020

Answer:

64°

Step-by-step explanation:

BAC = 90°

BAY = 52/2 = 26°

YAC = 90 - 26 = 64°

Answer Link

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