Answer:
x = 15
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
Sum the 3 given angles and equate to 180, that is
3x - 10 + 6x + 5 + 4x - 10 = 180, simplify left side
13x - 15 = 180 ( add 15 to both sides )
13x = 195 ( divide both sides by 13 )
x = 15
Answer:
X = 40
Explanation: (2x) = 80
80/2 = 40
X = 40 degrees
X=7
after you remove parentheses you do those steps
Answer:
hey hru
Step-by-step explanation:
and id.k the answer to the second question
