# math

a rhombus has an area of 50 cm^2 and an internal angle of size 63 . find the lenght of its sides.

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1. Rhombus area = a^2 sin A
where a is the side length and A is an internal angle at a corner. (Either the acute or the obtuse angle could be used, since that are supplementary)

Solve a^2 sin 63 = 50 to get since length a.

a^2 = 50/0.891
a = ____ cm

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posted by drwls
2. thank u

:)

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posted by Mota

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