3x 2x x + 30 The diagram shows a triangle. The sizes of the angles, in degrees, are 3x 2x x + 30 Work out the value of x

Hans Wassink asked May 8, 2022

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6 votes

3x

2x
x + 30
The diagram shows a triangle.
The sizes of the angles, in degrees, are
3x
2x
x + 30
Work out the value of x

Hans Wassink asked May 8, 2022

3.5k points

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15 votes

Answer:

x = 25°

Explanation:

3x + 2x + x + 30° = 180°

6x + 30° = 180°

6x = 150°

x =25°

=> 3x = 25 * 3 = 75°

=> 2x = 25 * 2 = 50°

=> x + 30° = 25° + 30° = 55°

E Rolnicki answered May 12, 2022

3.2k points

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