Posted by Rachel on Monday, February 13, 2012 at 11:14pm.
For any triangle with sides a and b,
the area is (1/2)ab sinØ , where Ø is the angle between them
Your rhombus can be split into 2 congruent triangles
so the area of a rhombus would be
absinØ,
= (6)(6)sin120° = 36(√3/2)
= 18√3 square inches
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