Jennifer12A Jennifer12A

28-04-2015
Mathematics

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What is the length of the diagonal of a square with a side that measures 11 centimeters

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apologiabiology apologiabiology

28-04-2015

a square has 4 equal sides
use pythagroeas theorem since a square has 4 right angles

a^2+b^2=c^2
a=b because the sides are equal (11)

11^2+11^2=c^2
242=c^2
square root both sides
11√2=c

the diagonal legnth is 11√2 centimiters

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