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Mathematics 15 Online
OpenStudy (anonymous):

BC is -- feet long. (A)14 (B)25 (C)7 SQUARE RT OF 3 (D)14 SQUARE RT OF 3

OpenStudy (anonymous):

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OpenStudy (raden):

|dw:1373480181228:dw| the proportion of sides infront of 30-60-90 right triangle is 1 : sqrt(3) : 2. let the length of BC is x, so we have an equation : 7/x = 1/sqrt(3) solve for x

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