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