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January 29, 2015

January 29, 2015

Posted by **Shane** on Sunday, March 3, 2013 at 3:01am.

- Maths -
**Steve**, Sunday, March 3, 2013 at 6:10amSince the diagonals of a rhombus are perpendicular, you have four right triangles, with sides 120-160-200.

if the angles of the rhombus are A and B,

tan A/2 = 3/4

tan B/2 = 4/3

evaluate and double, done.

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