Question

If the measure of one angle is 3x and the measure of its complement is 6x, what is the value of x?

Answer 1

complement angles have sum is 90

3x + 6x = 90

9x = 90

x = 10

answer: x = 10

Answer 2

Here, 3x + 6x = 90
9x = 90
x = 90/9
x = 10

In short, Your Answer would be 10

Hope this helps!