Question

The measure of angles of a triangle are x° ,( x- 30)°, (x- 60 )° . the value of x is _______​

Answer 1

Answer:

90°

Step-by-step explanation:

$x + (x - 30) + (x - 60) = 180 \\ or \: 3x = 180 + 90 = 270 \\ or \: x = 90$