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I would like some help thank you :)

I would like some help thank you :)-example-1
User Nicerobot
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1 Answer

4 votes

Answer:


\angle AE = 32^(\circ)


\angle EAD = 212^(\circ)


\angle BE = 133^(\circ)


\angle BCE = 227^(\circ)


\angle AED = 180^(\circ)


\angle BD = 79^(\circ)

Explanation:

The central angle of a circle is equal to 360º, whose formula in this case is:


\angle AB + \angle BC + \angle CD + \angle DE + \angle EA = 360^(\circ)

In addition, the following conditions are known from figure:


\angle BC = 47^(\circ),
\angle DE = 148^(\circ)


\angle DE + \angle EA = 180^(\circ)


\angle CD + \angle DE = 180^(\circ)


\angle AB + \angle BC + \angle CD = 180^(\circ)

Now, the system of equations is now solved:


\angle EA = 180^(\circ)-\angle DE


\angle EA = 180^(\circ)-148^(\circ)


\angle EA = 32^(\circ)


\angle CD = 180^(\circ)-\angle DE


\angle CD = 180^(\circ)-148^(\circ)


\angle CD = 32^(\circ)


\angle AB = 180^(\circ) - \angle BC - \angle CD


\angle AB = 180^(\circ)-47^(\circ)-32^(\circ)


\angle AB = 101^(\circ)

The answers are described herein:


\angle AE = 32^(\circ)


\angle EAD = 212^(\circ)


\angle BE = 133^(\circ)


\angle BCE = 227^(\circ)


\angle AED = 180^(\circ)


\angle BD = 79^(\circ)

User Matt Sergeant
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4.7k points