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wariber [46]
3 years ago
9

What is the arc length if θ = 6π/5 and the radius is 2 cm?

Mathematics
1 answer:
Elena-2011 [213]3 years ago
8 0
Should be D, closest answer I can get.
S = r<span>θ 
</span>θ = 3.8 (rounded to the nearest tenth)
S = 2(3.8)
S = 7.6

\frac{12 \pi}{5} =  7.5
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What is the value of r?<br> Round your final answer to the nearest whole number.
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Answer:

r = 13

Step-by-step explanation:

Hypotenuse is the side opposite to 90 degree angle, so hypotenuse is r.

Also, with respect to the angle given, the side "12" is the opposite.

So we have opposite side to angle and we need hypotenuse. Which trigonometric ratio related opposite with hypotenuse? It is SINE.

So we can write:

Sin(67.4)=\frac{Opposite}{Hypotenuse}=\frac{12}{r}\\rSin(67.4)=12\\r=\frac{12}{Sin(67.4)}\\r=12.99

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3 years ago
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For greater than 13:
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Cual es la utilidad de la representacion a escala de diferentes distancias reales
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One direct use of scales are seen in architecture plans, there, the architect uses scales to represent the construction he is designing. Also, the architect can have a more complete point of view about the principial elements on his work.

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<span>Hola, hablas español?</span>
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