kryton1212
A rectangle PQRS is inscribed in a circle. What can you conclude about the diagonal PR? Explain your answer.



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ash2326
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dw:1358655533095:dw
Do you understand the diagram? @kryton1212

kryton1212
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yes

kryton1212
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i know PR is the diameter. But how to explain

ash2326
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What's the value of all the angles of a rectangle?

kryton1212
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90

ash2326
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We know that angle PQR is 90, don't we?

kryton1212
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yes

kryton1212
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ohhh. angle in semicircle?

ash2326
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Yeah :)

ash2326
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Do you understand it ?

kryton1212
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I understand now. Would you help me with another question?

ash2326
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Sure, but post it as a different question