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

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asked Dec 7, 2018 23.8k views

2 Answers

Tcarvin · Answer 1 · 2018-12-10T00:43:27+0000

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

Sandro Rey · Answer 2 · 2018-12-14T08:23:17+0000

@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.

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

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