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OpenStudy (anonymous):
PLEASE HELP The figure shows corresponding lengths in two similar figures. Find the ratio of the perimeters of the two figures. A. 14:18 B. 163:210 C. 49:81 D. 7:9
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OpenStudy (anonymous):
OpenStudy (anonymous):
@hartnn @ganeshie8
OpenStudy (anonymous):
@cwrw238
ganeshie8 (ganeshie8):
hint : ratio of perimeters = ratio of sides = ratio of heights = ratio of radii = ratio of altitudes = ratio of apothems
ganeshie8 (ganeshie8):
when figures are similar, all these ratios will be same
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ganeshie8 (ganeshie8):
since you're given corresponding lengths, just take ratio of them.
OpenStudy (anonymous):
what would thay be 7/9
OpenStudy (anonymous):
@ganeshie8
ganeshie8 (ganeshie8):
yep
OpenStudy (anonymous):
ok is that all i have to do?
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ganeshie8 (ganeshie8):
yep
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