What is the length of side EF in the triangle? Please give a step by step explanation, I'm having lots of trouble finding the so
1 answer:
Answer:
EF = 8.8 cm
Step-by-step explanation:
In the given right angled ΔDEF, DE is the hypotenuse while EF and DF are adjacent sides. So that applying the Pythagoras theorem, we have;
=
+ 
=
+ 
=
+ 
262.44 =
+ 184.96
= 262.44 - 184.96
= 77.48
EF = 
= 8.8023
EF = 8.8 cm
The length of side EF is 8.8 cm.
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