1.

Let D, E and F be the feet of altitudes from the vertices of acute -angled triangle ABC to the sides BC, AC and AB respectively. Triangle DEF is defined as the pedal triangle ABC. (R and rare circumradius and inradius of triangle of trangle ABC, respectivley) Consider the following statements: (i)orthicentre of the triangle ABC is incentre of the triangle DEF (ii) A,B,C are excentres of triangle DEF

Answer»

only (i) is true
only (II) is true
both (i) and (ii) are true
both (i) and (ii) are false

Answer :C


Discussion

No Comment Found