The selling price will be $192
$120 x 60% = $72 markup
$120 + $72 = $192
The first thing we must do is calculate the circumeference:

now, calculate the angle of arc
360° = 49.612
360° - 66.4° - 180° = x
x = 113.6°
now, to calculate the arc length it would be:
Answer:
<h2>17</h2>
Step-by-step explanation:
