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A triangle has vertices on a coordinate grid at
U(-2,-7),V(8,-7), and
W(-2,4). What is the length, in units, of
bar(UV) ?
Answer: units

A triangle has vertices on a coordinate grid at $U(-2,-7), V(8,-7)$ , and $W(-2,4)$ . What is the length, in units, of $\overline{U V}$ ? $\newline$ Answer: $\square$ units

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Calculate quartiles and interquartile range

Full solution

Q. A triangle has vertices on a coordinate grid at

U(-2,-7), V(8,-7)

, and

W(-2,4)

. What is the length, in units, of

\overline{U V}

?

\newline

Answer:

\square

units

Identify Coordinates: Identify the coordinates of points $U$ and $V$ . Point $U$ has coordinates $(-2, -7)$ and point $V$ has coordinates $(8, -7)$ .
Recognize Horizontal Line: Recognize that $\overline{UV}$ is horizontal because both points have the same $y$ -coordinate $(-7)$ . Since the $y$ -coordinates are the same, we can find the length of $\overline{UV}$ by calculating the difference in the $x$ -coordinates.
Calculate Length: Calculate the length of bar(UV). The length of bar(UV) is the absolute value of the difference between the x-coordinates of V and U. Length of bar(UV) = $|8 - (-2)| = |8 + 2| = |10| = 10$ units

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