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iren [92.7K]
2 years ago
6

Will give brainliest answer

Mathematics
1 answer:
vova2212 [387]2 years ago
5 0

Answer:

pls I'll send you the answer tomorrow

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Given the lengths of two sides of a triangle, find the range for the length of the third side (between what two numbers should t
frozen [14]

Answer:

The length of the third side of given triangle lies between 6.5 and 19.9.

Step-by-step explanation:

The law of cosine is as follows

 c^{2} =a^{2}+b^{2}+2abcos\alpha---------------1

⇒ a and b are the given sides of the triangle and c is the third side, and \alpha is the angle between a and b .

In equation 1 , the maximum and minimum values of cos\alpha are 1 and -1.

 so the value of c  lies in between

⇒ \sqrt{a^{2}+b^{2}-2ab   } and  \sqrt{a^{2}+b^{2}+2ab  }   = |a-b| and |a+b|

Given a=13.2 and b=6.7 so the the side lies in between  |13.2-6.7| and |13.2+6.7|

  so the third side lies between 6.5 and 19.9

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3 years ago
What is 9/80 in decimal?
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9/80 is equal to the decimal .1125
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Which quantity is proportional to 6⁄4?
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Answer:

3/2

Step-by-step explanation:

It is proportional because it is 6/4 simplified.

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Hope this helps

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