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:

angle sum property,

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

x + x - 30 + x - 60 = 180

3x - 90 = 180

3x  = 270

x = 90