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Mathematics 20 Online
OpenStudy (rational):

for @dan815 show that radius of incircle in a pythagorean triangle is integer

OpenStudy (rational):

this is harder than previous problem.. if it helps...

OpenStudy (dan815):

|dw:1428152891119:dw|

OpenStudy (dan815):

incircle is off the angle bisectors?

OpenStudy (rational):

|dw:1428153001595:dw|

OpenStudy (rational):

yes and the center is at same distance to all the sides

OpenStudy (dan815):

|dw:1428153193958:dw|

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