3 years ago

In triangle ABC, what is the length of side b if B = 48°, C = 81°, and c = 25?

Mathematics

1 answer:

Gekata [30.6K]3 years ago

7 0

The angles should add up to 180. 48 + 81 = 129
180 - 129 = 51

2 sides need to be equal. 25 + 25 = 50

Now solve for b.

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The point (2, -3 ) is reflected in the line x = 0 find the image

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Answer:

The image of $P(x,y) = (2,-3)$ is $P'(x,y) = (-2, -3)$ .

Step-by-step explanation:

According to this statement, we need to find the image of a given point by reflection with respect to the y-axis. The reflection can be done by following operation:

$P(x,y) = (x, y) \to P'(x,y) = (-x, y)$ (1)

Where:

$P(x,y)$ - Original point.

$P'(x,y)$ - Reflected point.

If we know that $x = 2$ and $y = -3$ , then the reflecting point is:

$P'(x,y) = (-2, -3)$

The image of $P(x,y) = (2,-3)$ is $P'(x,y) = (-2, -3)$ .

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