In an equilateral triangle, prove that three times the square of one side is equal to four times the square of one of its altitudes.Post author:ats14795@gmail.comPost published:October 1, 2020Post category:Exercise 6.5Post comments:0 Comments Solution Proof Continue ReadingIn an equilateral triangle, prove that three times the square of one side is equal to four times the square of one of its altitudes.
In an equilateral triangle ABC, D is a point on side BC such that BD = BC.Prove that 9 AD2 = 7 AB2Post author:ats14795@gmail.comPost published:October 1, 2020Post category:Exercise 6.5Post comments:0 Comments Solution Proof Continue ReadingIn an equilateral triangle ABC, D is a point on side BC such that BD = BC.Prove that 9 AD2 = 7 AB2