Question

X = a) 110 b) 145 c) 220

Answer 1

Answer: 110

Step-by-step explanation:

Answer 2

In the inner arc is x, the outer arc is 360 - x

$70 = \frac{1}{2} ((360 - x) - x)$

$70 = \frac{1}{2} (360 -2x)$

$70 = 180 - x$

$x = 180 - 70$

$x = 110 \textdegree$