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BARSIC [14]
2 years ago
9

In triangle ABC, m∠ABC = (4x – 12)° and

Mathematics
1 answer:
VashaNatasha [74]2 years ago
8 0

The value of ∠ABC is 64 degree at x = 19 degree ,therefore Yin is not right about the value of x .

<h3>What is a Triangle ?</h3>

A triangle is a polygon with three sides , angles and vertices.

It is given that

m∠ABC = (4x – 12)°

m∠ACB = (2x + 26)°

Let m∠ACB = y degree

It is asked that if x =19 degree , is the triangle equilateral

m∠ABC = (4x – 12)° = 4 *19 -12 = 64 degree

As in an equilateral triangle , the angles are all equal and equal to 60 degree.

If the value of ∠ABC is 64 degree at x = 19 degree ,therefore Yin is not right about the value of x .

To know more about Triangle

brainly.com/question/2773823

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Solve the following inequality in two ways and make a claim as to which
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Answer:

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Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given inequality

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<u><em>Step(i)</em></u>:-

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                    8 n - 12 < 4 n + 4×2

                    8 n - 12 < 4 n +8

      Subtracting  '4 n ' on both sides, we get

                 8 n - 4 n - 12 < 4 n - 4 n +8

                 4 n - 12  <  8

<u><em>Step(ii):-</em></u>

Adding ' 12 ' on both sides , we get

                4 n -12 + 12 < 8 + 12

                               4 n < 20

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                                 n < 5

The solution is n < 5

<u><em>Conclusion:-</em></u>

The solution of the given inequality  n < 5

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