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Mathematics 7 Online
OpenStudy (anonymous):

Solve for x. Round your answer to 2 decimal places. @ganeshie8

OpenStudy (anonymous):

ganeshie8 (ganeshie8):

familiar wid SOH-CAH-TOA ?

OpenStudy (anonymous):

yes

ganeshie8 (ganeshie8):

good, go to the given angle, 51 degrees corner of the triangle stare at the triangle

ganeshie8 (ganeshie8):

adjacent side = 12 hypotenuse = x right ?

OpenStudy (anonymous):

yes

ganeshie8 (ganeshie8):

which trig ratio involves `adjacent` and `hypotenuse` ?

OpenStudy (anonymous):

cah

OpenStudy (anonymous):

cosine

ganeshie8 (ganeshie8):

Yes, use that

ganeshie8 (ganeshie8):

\(\large \cos (51) = \dfrac{12}{x}\)

ganeshie8 (ganeshie8):

\(\large x= \dfrac{12}{\cos (51)}\)

ganeshie8 (ganeshie8):

use ur calculator

OpenStudy (anonymous):

19.07

OpenStudy (anonymous):

@ganeshie8

OpenStudy (anonymous):

thanks so much!!!

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