SNIIX18
BC is -- feet long. (A)14 (B)25 (C)7 SQUARE RT OF 3 (D)14 SQUARE RT OF 3
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SNIIX18
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RadEn
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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
RadEn
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hint : use cross multiplication
timo86m
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it's a 30 60 90 triangle use the proportions
SNIIX18
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What proportions
RadEn
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like i said before, can you solve for x
7/x = 1/sqrt(3)
SNIIX18
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yes i can :) sorry i didnt understand you
RadEn
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so, what's your answer ?
SNIIX18
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i got c
RadEn
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clear :)