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If the ratio of the lengths of the corresponding sides of two similar polygons is 2:3, then the ratio of their areas is ? 5√2 -4√18 + √36 = 6-7√2. Can someone explain how this problem is done and why that's the answer? If there is intelligent life out there somewhere in space why do people assume it will be similar to humans? Based on the molarity of your acid, and assuming that it s density is 1.01 g/mL, calculate the mass percent of acetic acid. M=.5035? Is zebra the capital of Africa?