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Roman55 [17]
2 years ago
8

Find the value of x. 3x+15=180

Mathematics
1 answer:
Reil [10]2 years ago
5 0

Answer:

3x + 15 = 180

3x = 180 - 15

x =  \frac{165}{3}

x = 55

hope it helps you

make me brainliest if u r satisfied

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Answer:

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Step-by-step explanation:

As the question is not complete. So, let's suppose it is a right angle triangle then, we can apply Pythagoras theorem to calculate the hypotenuse or the third side.

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Plugging in the values, we will get:

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Law of sine = \frac{a}{sinA} = \frac{b}{sinB} = \frac{c}{sinC}

So,

\frac{c}{sinC} = \frac{b}{sinB}

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Sin90 = 1

sinB = \frac{11}{\sqrt{170} }

B = sin^{-1} (\frac{11}{\sqrt{170} })

B = 57.5°

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