Step-by-step explanation:
Remember that the sum of angles on a straight line are supplementary. (180°)
Therefore 3x + 2 + 6x - 20 = 180.
=> 9x - 18 = 180
=> 9x = 198
=> x = 22.
Answer:
No
The sum of the lengths of any two sides of a triangle must be greater than the length of the third side.
Answer:35
