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daser333 [38]
3 years ago
6

Need help please (serious answers only)

Mathematics
1 answer:
alexandr402 [8]3 years ago
7 0

Answer:

66

Step-by-step explanation:

B is 57

C is 57

180 - (57 x 2) =

180 - 114 = 66

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What is the irrational number in This set: 12.89, square root of 12 and 12/144 ?
kifflom [539]
Good night, 

<span>Irrational numbers are those that can't be expressed as a fraction:

12.89 can be expressed as: </span>\frac{1289}{100}

\frac{12}{144}= \frac{1}{12}

<span>The above numbers can be expressed as a fraction, then the logical answer is: </span>\sqrt{12}

But we will check the answer: 

\sqrt{12}= \sqrt{2^{2}*3 }  =2* \sqrt{3} =3.4641016...

As you can see we can't express that number as a fraction, so that is te correct answer.

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