In a right triangle, angle C measures 40°. The hypotenuse of the triangle is 10 inches long. What is the approximate length of t he side adjacent to angle C?
1 answer:
Answer:
The cosine function is: adjacent/hypotenuse = cos (40). We know the hypotenuse length is 10, so the equation is now adjacent/10 = cos (40). Solving for adjacent length we get 7.7 inches.
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Step-by-step explanation:
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Step-by-step explanation:
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B -3x
Step-by-step explanation:
3x+5y=43
x=8+y
3(8+y)+5y=43
24+3y+5y=43
8y=19
y=19/8 = 2.375
x=8+2.375 = 10.375
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