There is a triangle ABC. Let O and H be its orthocentre and circumcentre respectively. Its given that AH=AO. Prove that angle BAC is 60°
–
Avinav Gupta
·
3 years, 5 months ago

let equation of BC of a triangle ABC be 2x+3y-1 = 0 and coordinates of incentre and circumcentre of ABC are (2,1) and (-1,3) respectively then the value of cosC+cosB = ??
–
Avinav Gupta
·
3 years, 5 months ago

## Comments

Sort by:

TopNewestThere is a triangle ABC. Let O and H be its orthocentre and circumcentre respectively. Its given that AH=AO. Prove that angle BAC is 60° – Avinav Gupta · 3 years, 5 months ago

Log in to reply

– Vamsi Krishna Appili · 3 years, 5 months ago

Picture of triangle pleaseLog in to reply

let equation of BC of a triangle ABC be 2x+3y-1 = 0 and coordinates of incentre and circumcentre of ABC are (2,1) and (-1,3) respectively then the value of cosC+cosB = ?? – Avinav Gupta · 3 years, 5 months ago

Log in to reply