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5 votes
5 votes
please help! find the scale factor and ratio of perimeters for a pair of similar octagons with areas 64ftsq and 81ftsq. i need the scale factor and the ratio of the perimeters!

User Semyon Kirekov
by
3.1k points

1 Answer

19 votes
19 votes

Answer:

the scale factor and the ratio of their perimeters is 8/9

Explanation:

k^2=area 1/area 2

k^2=64/81

=square root if k^2=square root of 64/81

=k=8/9

User Klue
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2.5k points