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  • 19-03-2017
  • Mathematics
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What is the answer to 103, explain please

What is the answer to 103 explain please class=

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irspow
irspow irspow
  • 25-03-2017
From triangle AED we can find the length of a side of ABCD

AD=(4^2+4^2)^(1/2)  (pythagorean theoerem)

AD=32^(1/2)

For similar reasons as applied to the triangle AC=(2AD^2)^(1/2)

AC=(2*32)^(1/2)

AC=64^(1/2)

AC=8
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