Answer:
x = 30
Step-by-step explanation:
The sum of the 3 interior angles of a triangle = 180°, hence
x + x + 10 + 3x + 20 = 180
5x + 30 = 180 ( subtract 30 from both sides )
5x = 150 ( divide both sides by 5 )
x = 30
Step-by-step explanation:
1) -22
2) -172.368
hope it helps
Answer: 72.8
Step-by-step explanation:
If you were to fold the lines together, the lengths would have a barely different length so it is 72.8
Answer:
X will be -2
Step-by-step explanation:
Divide each side by factors that don't contain the variable
Answer:
28 square units
Step-by-step explanation:
