
Value of x is equal to :

Sum of measures of interior angles of a triangle sum upto 180°
that is :
Completing the squares tells us exactly what square root we will need to calculate our answer.
Using the formula below you can find these answers:

Does this make sense?
Y^24 isn't a cube, the closest number is 27
Answer:
6; 54 is 6 times 9
Step-by-step explanation:
9x = 54
x = 54/9
x = 6
The correct order of the steps to duplicate an angle is A. ADFECB