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February 20th, 2017, 03:35 PM   #1
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Help. Circumcenter and Incenter

I don't know how to do this! Please help with answer and explanation.
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February 20th, 2017, 04:12 PM   #2
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look at triangle BDC ...

angle DBC = 73, angle BCD = 21 ... how big is angle BDC?

once you determine angle BDC, look at triangle BDP

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