Two regular octagons have sides of lengths 21 and 28, respectively. Find (a) the scale factor, (b) the ratio of the perimeters, and (c) the ratio of the areas of the octagons.
Determine the surface of a pyramid with a base of 21 meters cubed and a height of 10 meters, and a pyramid with a base of 24 meters cubed and 8 meters in height.
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