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5 votes
5 votes
The drop down menu is the same on both sides

The drop down menu is the same on both sides-example-1
User Oeste
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1 Answer

21 votes
21 votes

Answer:

∡BCA = 29

∡BOC = 58

Step-by-step explanation:

The angles BDC and BAC form the same arc on the circle, the arc BC. Then, these angles have the same measure, so

∡BCA = ∡BDC

∡BCA = 29

Then, we can use the inscribed angle theorem to find the arc BC as follows


\begin{gathered} \measuredangle BDC=(1)/(2)BC \\ \\ 29=(1)/(2)BC \\ \\ 2(29)=BC \\ \\ 58=BC \end{gathered}

Therefore, arc BC has a measure of 58 degrees, which means that ∡BOC is equal to

∡BOC = Arc BC

∡BOC = 58

So, the answers are

∡BCA = 29

∡BOC = 58

User Maxim Kitsenko
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2.5k points