Random triples
| Subject | Object |
|---|---|
| gptkb:inner_Soddy's_circle | incircle of triangle |
| gptkb:inner_Soddy's_circle | excircle of triangle |
| gptkb:Pappus_chain | two given tangent circles |
| gptkb:nine-point_circle | incircle |
| gptkb:inner_Soddy_circle | incircle of triangle |
| gptkb:Pappus_chain | each other |
| gptkb:inner_Soddy_circle | excircle of triangle |
| gptkb:nine-point_circle | three excircles |
| gptkb:inner_Soddy's_circle | each side of triangle |
| gptkb:Spieker_circle | triangle's three excircles |