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X =a) 110b) 145c) 220
4 months ago
Q:
x =a) 110b) 145c) 220
Accepted Solution
A:
If the inner arc is x, then the outer arc is 360 - x
[tex]70 = \frac{1}{2} ((360 - x) - x)[/tex]
[tex]70 = \frac{1}{2} (360 - 2x)[/tex]
[tex]70 = 180 - x[/tex]
[tex]x = 180 - 70[/tex]
[tex]x = 110 \textdegree[/tex]