CBSE Solution – GeekyMynd

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.

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Post published:October 1, 2020
Post category:Exercise 6.5
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In an equilateral triangle ABC, D is a point on side BC such that BD = BC.Prove that 9 AD2 = 7 AB2

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Post published:October 1, 2020
Post category:Exercise 6.5
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Sides AB and BC and median AD of s triangle ABC are respectively proportional to sides PQ and QR and median PM of ∆ PQR. Show that ∆ ABC ~ ∆ PQR.

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Post published:October 1, 2020
Post category:Exercise 6.3
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