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larisa [96]
2 years ago
8

Which statement verifies that triangle WXY is a right triangle?

Mathematics
2 answers:
kifflom [539]2 years ago
8 0
The slopes of WX and YW are opposite reciprocals.
Schach [20]2 years ago
4 0

Answer:

The statement is slope of WX and YW are opposite reciprocals

Step-by-step explanation:

Given the graph in which triangle is shown

we have to choose the statement that verifies that triangle WXY is a right triangle.

Coordinates of W, X and Y are

W=(-2,3)

X=(2,1.4)

Y=(-4,-2)

To verify the triangle WXY a right triangle, we have to find the slope of these lines

\text{Slope of line joining the points }(x_1,y_1), (x_2, y_2)\text{ is }

slope=\frac{y_2-y_1}{x_2-x_1}

\text{Slope of WX=}\frac{1.4-3}{2-(-2)}=\frac{-2}{5}

\text{Slope of XY=}\frac{-2-1.4}{-4-2}=\frac{17}{30}

\text{Slope of YW=}\frac{-2-3}{-4-(-2)}=\frac{5}{2}

We see slope of WX and YW are opposite reciprocals that means these two lines are perpendicular which verifies that triangle WXY is a right triangle.

Hence, option 1 is correct

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