# polar coordinates

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#1
l and m are points with polar coordinates (5, 1/3 pi) and (10, 1/3 pi) respectively. LMN is an equilateral triangle. Find the polar coordinates of the two possible positions of n.

I only just started polar coordinates and don't know how to do this could someone help please

thanks
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5 years ago
#2
(Original post by bl64)
l and m are points with polar coordinates (5, 1/3 pi) and (10, 1/3 pi) respectively. LMN is an equilateral triangle. Find the polar coordinates of the two possible positions of n.

I only just started polar coordinates and don't know how to do this could someone help please

thanks
Draw a diagram if you haven't already. Make it reasonably accurate, and work geometrically. You'll see some nice angles, isosceles triangles, etc.
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#3
(Original post by ghostwalker)
Draw a diagram if you haven't already. Make it reasonably accurate, and work geometrically. You'll see some nice angles, isosceles triangles, etc.
thanks, worked a treat
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