23-04-2014
Mathematics

Answered

The endpoints of the arms of an inscribed angle are the endpoints if a diameter. What is the measure of the inscribed angle? How do you know?

Draw a diagram to support your answer.
Please help!

Answer :

Аноним Аноним

23-04-2014

90 degrees if the third point lands where I think it does (although you don't specify) - see attached. I know because they're be 4 of them if I mirrored a point across to the other side of the circle. If the point did not bisect the other two, then it would take a little more trig, but I could figure it out

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brainybeauty brainybeauty

23-04-2014

Since the endpoints lie opposite to each other and are a part of the diameter, the two arms make a straight line because a diameter is always a straight line. So the angle formed is a straight angle and so it is equal to 180°.
Hope I helped! And please do let me know if you have any other doubts!

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