Answered

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I need to know if it’s a b c or D

I Need To Know If Its A B C Or D class=

Sagot :

Notice that AD is a diameter, therefore,

[tex]x+y+55=180[/tex]

Furthermore, arcAB=25° and x° is the central angle that defined arcAB; thus, x°=25°.

Finally,

[tex]\begin{gathered} \Rightarrow25+y+55=180 \\ \Rightarrow y=180-55-25=100 \\ \Rightarrow y=100 \end{gathered}[/tex]

Thus, the answer is y=100

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