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  • 21-02-2018
  • Mathematics
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Please help me ? I think I got it right

Please help me I think I got it right class=

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Banabanana
Banabanana Banabanana
  • 21-02-2018
Сorrect statements:
1. EF is the longest side

2. DF = 6 cm (in a 30-60-90  triangle the side opposite the 30 degree angle is half the length of the hypotenuse. )

3. By the Pythagorean theorem:
DE = 
√(12²-6²) = √(144-36) = √108 = 6√3
DE = 6√3 cm
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