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3 years ago

In △ABC , AC=12 in. , BC=1.5 in. , and m∠C=63° .

1 answer:

0 0

Using the Side Angle Side Formula
Area = ½ • side 1 • sine (A) • side 2
Area = ½ • 12 * sine (63°) * 1.5
Area = ½ • 12 * 0.89101 * 1.5
Area = 8.01909 
Area = 8.02 rounded

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3 years ago

wolverine [178]

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Step-by-step explanation:

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Substituting the value of x from the first equation into the second, and solving for y(Rose):

$\frac{y}{2}+6=\frac{2}{3} (y+6)\\\frac{y+12}{2} =\frac{2}{3} (y+6)\\y+12=\frac{4}{3} (y+6)\\3(y+12)=4(y+6)\\3y+36=4y+24\\36-24=4y-3y\\12=y$

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3 years ago