3 years ago

For which of the following would similar triangles and trigonometry be useful for measuring?

1 answer:

5 0

The length of a table, the width of a classroom, and the length of a car can be easily measured without using trigonometry (could probably use a meter stick or measuring tape) because we can easily reach both ends the width of a wide river is a little different, it may not be practical to measure the distance across directly.

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Write an equation for the line parallel to the given line that contains <br> C(4,8);y=-3x+4

Brrunno [24]

Parallel line means they have the same slope
y = mx + b
where m = slope
y = -3 + 4
here the slope is negative 3
y = -3x + b
plug in (4, 8)
8 = -3(4) + b
b = 8 + 12
b = 20

The answer is y = -3x + 20

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2 years ago

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galina1969 [7]

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2 years ago

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Alex Ar [27]

It is wrong c is the correct answer I think

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