Mathematics, 17.12.2020 22:20 hala201490

A triangle has vertices at points D, E and F. ZF is a right angle. Side EF is length 1 and side DF is length 2. Which angle has a Sine of the value below?

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A triangle has vertices at points D, E and F. ZF is a right angle. Side EF is length 1 and side DF i...