Answer:
72
Step-by-step explanation:
We know that it isn't a 90 degree angle so we do process of elimination, now we have 2 answers, just by looking at it is is probably 72. Hopefully you get it right.
Answer:
90°
Step-by-step explanation:
The sum of the arcs around the circle is ...
2x +4x +4x +2x = 360°
x = 360°/12 = 30°
The numbered angle is the average of the measures of the intercepted arcs, so is ...
(4x +2x)/2 = 3x = 3(30°) = 90°
The numbered angle is 90°.
Answer:
x = 45
Step-by-step explanation:
To find x, derive an equation from the figure given.
Angles on a straightline = 180°. Therefore:

Combine like terms


Subtract 135 from both sides

