2 years ago

Can somebody explain how to do this question

1 answer:

7 0

Answer:

The answer is D

Step-by-step explanation:

Remember:

Contrapositive means that if you reverse the hypothesis and the conclusion the statement will mean the same thing

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Step-by-step explanation:

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marta [7]

AB is the longest side, so ∠C is the largest angle.
use law of cosine: 16²=9²+12²-2*9*12cosC
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Dennis_Churaev [7]

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Step-by-step explanation:

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worty [1.4K]

Answer:

cosine rule - cos = $\frac{a}{h}$

Step-by-step explanation:

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2 years ago