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Mathematics 14 Online
OpenStudy (anonymous):

In this quadrant of radius 12cm, what is the length of the diagonal AC of the rectangle ABCD? http://prntscr.com/35phoa

OpenStudy (anonymous):

Because ABCD is a rectangle, and AC is the diagonal, we know that the triangles ABC and CDA are similar.

OpenStudy (anonymous):

What would the length of the diagonal DB be?

OpenStudy (anonymous):

the same as the diagonal AC?

OpenStudy (anonymous):

Yes, it is. What else do we know about the length of DB?

OpenStudy (anonymous):

that it runs through the middle of the quadrant?

OpenStudy (ranga):

D is the center of the circle and B is a point on the circle. Therefore, DB = ?

OpenStudy (shamim):

@vanessa_xxxx

OpenStudy (shamim):

DB=AC?

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