# geometry

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Find the similarity ratio and the ratio of perimeters for two octagons with area 18 square inches and 50 square inches

• geometry -

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 square-root of the area ratio, namely:
linear ratios = sqrt(18/50)=0.6

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