Question

The angle measures of a triangle are 50, 2x, 3x-10. what is the value of x​

Answer 1

x = 28°

Explanation:

Angle sum property of triangle:

Sum of all the three angles of the triangle is 180°.

50 + 2x + 3x - 10 = 180°

2x + 3x + 50 - 10 = 180°

Combine like terms,

5x + 40 = 180°

Subtract 40 from both sides,

5x = 180 - 40

5x = 140°

Divide both sides by 5,

x = 140 ÷ 5

`\sf \boxed{\bf x = 28^\circ}`