Today only, a sofa is being sold at a 29% discount. The sale price is $568 . What was the price yesterday?
1 answer:
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Answer:
12
Step-by-step explanation:
The sum of the exterior and interior angles = 180°
let x be the measure of the exterior angle then interior angle is 5x and
5x + x = 180
6x = 180 ( divide both sides by 6 )
x = 30
The sum of the exterior angles of a polygon = 360°, thus
number of sides = = 12