Paragraph: let abc be a triangle with inradius r and circumradius R. its incircle touches the side BC,CA,AB at A1 B1 C1 respectively. the incircle of triangle A 1 B1 C1 touches its sides at A2 B2 C2 respectively and so on 1. In triangle A4 B4 C4, the value of A4 is? 2.lim(n to inf) A(n) =? 33.B1C1/BC =? 4.🛆A1B1C1/🛆ABC =x,r/R, where x = ?

Gautam Thapa , 8 Years ago

Grade 11