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Mathematics 11 Online
OpenStudy (anonymous):

one side of a rhombus measures 24 inches and one angle measures 50 degrees. a) find the length of the longest diagonal b) find the area of the rhombus

OpenStudy (anonymous):

Do you know the Cosine Rule? You have a triangle with two known sides and the included angle, so can calculate the length of the third side (the diagonal)

OpenStudy (anonymous):

the COS rule ? opposite over adjacent ?

OpenStudy (anonymous):

so COS50 = 24/x ?

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