Basic Properties of Circles Problem?

2015-11-14 3:17 pm
In the figure,TA & TB are the tangents of the circle.C is a point on the circle.
P,Q and R are the feet of the perpendicular from C to the three sides of Triangle ABT.

a. Write down three groups of concyclic points.
b. Hence show that <CRQ=<CQP and <CQR=<CPQ
c. If QC=9cm and PC =10cm,find CR.

回答 (1)

2015-11-14 3:45 pm
Please Read:
http://s24.postimg.org/ezfdmx4lv/image.png

For c,
CR = 8.1 cm


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