Let D, E and F be the feet of altitudes from the vertices of acute -an – InterviewSolution

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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) Circumradius of a pedal triangle of triangle ABC is
Answer» `R//2` `r//2` `R//4` `r//4` ANSWER :A

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