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Mathematics 6 Online
OpenStudy (anonymous):

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

OpenStudy (ash2326):

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

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

i know PR is the diameter. But how to explain

OpenStudy (ash2326):

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

OpenStudy (anonymous):

90

OpenStudy (ash2326):

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

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

ohhh. angle in semicircle?

OpenStudy (ash2326):

Yeah :)

OpenStudy (ash2326):

Do you understand it ?

OpenStudy (anonymous):

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

OpenStudy (ash2326):

Sure, but post it as a different question

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