Answer:
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Step-by-step explanation:
So, difference as in subtract? so, if it is, it would be 15. if it means percent difference, it's about 60%.
We do this by dividing 360°<span> by the number of sides, which is 8. (b) Calculate the size of each interior angle in the regular octagon. We do this by subtracting the size of each exterior angle, which is 45°, from </span>180°<span>. A regular polygon has equal exterior angles of 72°</span>