If the measures of the three angles of a triangle are x, 2x-20, and 3x-10, the what is this type of triangle?
1 Answer
Sep 15, 2015
The sum of three angles of a triangle is 180 degrees.
x + 2x -
3x -
6x -
add
6x -
6x =
dividing both sides by 6
6x /6 =
x =