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In triangle DEF, if DE = 10 cm, DF = 15 cm, and angle E = 45 degrees, what is th

Practice Questions

Q1
In triangle DEF, if DE = 10 cm, DF = 15 cm, and angle E = 45 degrees, what is the length of EF using the Law of Cosines?
  1. 5√2 cm
  2. 10√2 cm
  3. 15√2 cm
  4. 20 cm

Questions & Step-by-Step Solutions

In triangle DEF, if DE = 10 cm, DF = 15 cm, and angle E = 45 degrees, what is the length of EF using the Law of Cosines?
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