Question

(3x - 5)°,( 2 X +55) ° and (5x -50)
The three angles of a triangle are
find the value of x.
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Answer 1

Step-by-step explanation:

$3x - 5 + 2x + 55 + 5x - 50 = 180 \\ 10x + 0 = 180 \\ 10x = 180 \\ x = \frac{180}{10} \\ x = 18$

Answer 2

Answer:

x=18°

Step-by-step explanation:

(3x - 5)°+( 2x +55)°+(5x -50)°=180°(according to angle sum property of triangle)

3x°-5°+2x°+55°+5x°-50°=180°

=(3x+2x+5x)+(-5°+55°-50°)=180°

=10x=180

=x=180/10

=x=18°

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