geometry
posted by larry .
Find the similarity ratio and the ratio of perimeters for two octagons with area 18 square inches and 50 square inches

Similarity ratio and ratio of perimeters are both linear ratios.
Ratio of areas is the square of the linear ratios.
The linear ratios are therefore the squareroot of the area ratio, namely:
linear ratios = sqrt(18/50)=0.6
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