If EF = 4.2 cm, DF = 3.6 cm, and DE = 4.5 cm, what is CB?

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15-03-2018
Mathematics

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If EF = 4.2 cm, DF = 3.6 cm, and DE = 4.5 cm, what is CB?

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calculista calculista · Answer 1 · 2018-03-25T04:52:04+02:00

calculista calculista

25-03-2018

the correct question in the attached figure

we know that
if the triangle ABC was rotated resulting in triangle EFD it implies that it retained it's original dimensions.

This means that ABC is proportional to EFD

hence
AB=EF-------> 4.2 cm
BC=FD-------> 3.6 cm
AC=ED------ > 4.5 cm

the answer is
CB=3.6 cm

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askme1972 askme1972 · Answer 2 · 2019-11-07T21:48:54+01:00

askme1972 askme1972

07-11-2019

QUICK ANSWER ON EDG - CB = 3.6 cm

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