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Find the length of lines DE.

Find the length of lines DE.-example-1
User Nevster
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1 Answer

4 votes

This is known as The Theorem of Pythagoras

Basically is A2+B2+C2

Plug in the numbers as

16^2+B^2=30^2

Subtract 16 from both sides

16-16=0

30-16=14

Your Choice is A. 14cm


User Janielle
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