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Semmy [17]
3 years ago
11

Point Z is the incenter of triangle RST. What is the value of x? x = 2 x = 3 x = 5 x = 8

Mathematics
2 answers:
lawyer [7]3 years ago
8 0

Answer:

x=5

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The <u><em>incenter</em></u> is the point where the three angle bisectors of a triangle meet

therefore

In this problem

(5x-9)\°=16\°

Solve for x

5x=16+9

5x=25

x=5

Zinaida [17]3 years ago
4 0

The value of x is 5

<h3>Further explanation</h3>

Firstly , let us learn about trigonometry in mathematics.

Suppose the ΔABC is a right triangle and ∠A is 90°.

<h3>sin ∠A = opposite / hypotenuse</h3><h3>cos ∠A = adjacent / hypotenuse</h3><h3>tan ∠A = opposite / adjacent </h3>

Let us now tackle the problem!

<em>The incenter of triangle RST</em><em> is the intersection between all of the angle bisectors from the three vertices of triangle.</em>

<em>From the attachment , it can be concluded that:</em>

∠ZAS = ∠ZBS = 90°

∠ZSA = ∠ZSB

ZS of ΔZSA is coincided with ZS of ΔZSB

<em>∴ </em><em>ΔZSA is congruent to ΔZSB</em>

\texttt{ }

<em>From the information above , then :</em>

∠ZSA = ∠ZSB

( 5x - 9 )° = ( 16 )°

5x = 16 + 9

5x = 25

x = 25 ÷ 5

<h3>x = 5</h3>

\texttt{ }

<h2>Conclusion:</h2>

The value of x is 5

\texttt{ }

<h3>Learn more</h3>
  • Calculate Angle in Triangle : brainly.com/question/12438587
  • Periodic Functions and Trigonometry : brainly.com/question/9718382
  • Trigonometry Formula : brainly.com/question/12668178

<h3>Answer details</h3>

Grade: College

Subject: Mathematics

Chapter: Trigonometry

Keywords: Sine , Cosine , Tangent , Opposite , Adjacent , Hypotenuse , Triangle , Fraction , Lowest , Function , Angle , Congruent

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