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The diagram shows a right-angled triangle DEF DF=9.7 cm and EF=8.3 cm Calculate the lenght od DE Give yout answer to one decimal place

 Nov 2, 2014

Best Answer 

 #1
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Is the right angle at E or is it at F?

Either way, use the Pythagorean Theorem (but it will be used differently, depending upon the location of the right angle).

 Nov 2, 2014
 #1
avatar+23254 
+5
Best Answer

Is the right angle at E or is it at F?

Either way, use the Pythagorean Theorem (but it will be used differently, depending upon the location of the right angle).

geno3141 Nov 2, 2014

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