Mathematics

Question

The length of segment EF is 12 cm. Which statements regarding triangle DEF are correct? Check all that apply.

2 Answer

  • Triangle DEF is the right triangle with angles:
    90°, 60°, 30°.
    EF = 12 cm
    DE = 1/2 · EF = 1/2 · 12 = 6 cm
    DF = EF √3 / 2 = 12√3 / 2 = 6 √ 3 cm ≈ 10.4 cm
    Answer:
    DE = 6 cm,
    DF = 6 √3 cm

  • @homerthegenius is wrong... please don't use his answer. i'm sorry i don't know the answer, but just wanted to say i got it incorrect because of him.  
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