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2 years ago

What is the value of x?

Mathematics

1 answer:

Zepler [3.9K]2 years ago

3 0

9514 1404 393

Answer:

x = 5

Step-by-step explanation:

The angle bisector divides the sides proportionally.

(2x -1)/9 = 3x/15

5(2x -1) = 3(3x) . . . . . . multiply by 45

10x -5 = 9x . . . . . . . . . eliminate parentheses

x = 5 . . . . . . . . . . . . . . add 5-9x

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Step-by-step explanation:

Hey, there!!

Let's simply work with it,

60° + 2x° + (2x+12)° = 180° { being a linear pair}.

or, 72° + 4x = 180°

4x = 180° - 70°

$x = \frac{108}{4}$

Therefore, the value of x is 27°.

Now,

2x° = (2×27)°= 54°

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2 years ago

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Answer:

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