Question

The angles of a triangle are (2x-30)º, (2x-60)º and (x-30)º. What is the Value of x?

Answer 1

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$(2x - 30) + (2x - 60) + (x - 30) = 180$

$5x - 120 = 180$

Add sides 120

$5x - 120 + 120 = 180 + 120$

$5x = 300$

Divided sides by 5

$\frac{5}{5} x = \frac{300}{5}$

$x = 60$

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Answer 2

• Answer:

x = 60°

• Step-by-step explanation:

Hi there !

The sum of the angles is 180°

2x-30 + 2x-60 + x-30 = 180

2x + 2x + x = 180° + 30° + 60° + 30°

5x = 300°

x = 300° : 5

x = 60°

Good luck !