WOLFRAM|DEMONSTRATIONS PROJECT

Rhombi at the Incenter of a Triangle

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AM
≈
4.11
IM
≈
4.11
IP
≈
4.11
AP
≈
4.11
IN
≈
2.77
NB
≈
2.77
BQ
≈
2.77
IQ
≈
2.77
Let ABC be a triangle and let I be the intersection of the angle bisectors. Let MN be parallel to AB and through I, with M on CA and N on BC. Let P and Q be points on AB such that IP and IQ are parallel to CA and BC, respectively. Then AMIP and IQNB are rhombi.