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

User Jcropp
by
8.1k points

2 Answers

3 votes
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

User Tcarvin
by
7.7k points
1 vote
@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.
User Sandro Rey
by
7.3k points
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