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isha mishra

· started a discussion

· 1 Months ago

SHORT TRICK (Question: 388267.0 )

3 ( AB2 + BC2 + AC2) = 4 ( BE2 + BE2 + BE2 )

Here, the triangle is an equilateral triangle
therefore, medians are equal

A.T.Q.

AB2 + BC2 + AC2 = 4*3 BE2 / 3

AB2 + BC2 + AC2 = 4 BE2


IN THE ABOVE QUESTION 2 MEANS SQUARE

Question:

ABC is an equilateral triangle. If BE ⊥ CA, which meet CA at point E, then the value of (AB2 + BC2 + CA2) is -

Options:
A)

2 BE2

B)

3 BE2

C)

4 BE2

D)

6 BE2

Solution:

Ans: (c)

  

Manoj

· commented

· 1 Months ago

nice one dear
thanks for sharing
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