Help me with this please

Mathematics

1 answer:

Gala2k [10]2 years ago

6 0

Answer: the answer is -5

Step-by-step explanation:

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Which side of triangle DEF is shortest?

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It would be the side opposite the smallest angle.

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What the heck do i do with this

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Use the law of cosines to find a: $a^2=b^2+c^2-2bc (cos(A))$

So to use the given numbers you get: $a^2=27^2+45^2-2(27)(45)(cos(53))$

Which would come out to equal about 35.94

so a=35.9

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......................

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Cant see

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