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4 years ago

In the triangle below, Four-fifths represents which ratio?

Mathematics

1 answer:

vovangra [49]4 years ago

8 0

Answer:

(A) $sin C =\frac{4}{5}$

Step-by-step explanation:

Opposite,AB = 4,

Hypotenuse,BC = 5

Adjacent, AC = 3.

$sin \theta =\frac{opposite}{Hypotenuse}\\ sin C =\frac{4}{5}$

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Read 2 more answers

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In order to rationalize the denominator of each expression, we need to multiply the expression by the same radical in the denominator, this way we can remove the radical from the denominator.

$\frac{5\sqrt{4}}{\sqrt{3}}(\cdot\sqrt{3})=\frac{5\sqrt{4}\sqrt{3}}{(\sqrt{3})^2}=\frac{5\cdot2\cdot\sqrt{3}}{3}=\frac{10\sqrt{3}}{3}$

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