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Side length of equilateral triangle? (I have to draw it)

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U mean length of BC
yes, ABC is equilateral so any side...

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Other answers:

4/sqrt(3) ?
Sorry, try again...
4 + 2/sqrt(3)
How u get 30?
Hint - make a transformation
i wasnt thinkin g sorry.. .let me think
U didn't like my hint?
Imagine that the slant line is the x-axis and shift the triangle "up" 2 so that A is at the origin. Now try it...
U see what I mean? Now if you drop the perpendiculars from B and C, they will 5 and 4
dont post any more hints.. plz
4 sqrt 2
Nope, sorry.
I'm getting worried now, I better check my answer... This is Pythagorus and some algebra, right?
im getting 3 quadratics wid 3 variables
I guess Now, using cosine rule and sine rule will give x and y.
is it 6.4291 ?
I have 2 sqrt 7
First 2 equations give s^2-t^2 = 9 Second and third give s^2 -2st =24 t = (s^2-24)/2s substitute in s^2-t^2 gives a quadratic in s etc.
I think Sara was closest...
2 Attachments
Where did I go wrong???
I will have a look later on.....
Thanx @shubhamsrg AND yes there was a mistake in cosine law. Now, that gives the length 5.2915
Which looks correct.
you did all the work buddy,, as i said,,a human error..i do more mistakes than that in my work.,, anyways,,good job YET AGAIN>>
Ah, u found it, good:-)

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