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A triangle has vertices on a coordinate grid at
A(10,3),B(10,-10), and
C(-3,3). What is the length, in units, of
bar(AB) ?
Answer: units

A triangle has vertices on a coordinate grid at $A(10,3), B(10,-10)$ , and $C(-3,3)$ . What is the length, in units, of $\overline{A B}$ ? $\newline$ Answer: $\square$ units

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Calculate quartiles and interquartile range

Full solution

Q. A triangle has vertices on a coordinate grid at

A(10,3), B(10,-10)

, and

C(-3,3)

. What is the length, in units, of

\overline{A B}

?

\newline

Answer:

\square

units

Identify Coordinates: Identify the coordinates of points $A$ and $B$ . Point $A$ has coordinates $(10,3)$ and point $B$ has coordinates $(10,-10)$ .
Calculate Length: Use the distance formula to calculate the length of $\overline{AB}$ . Since both points $A$ and $B$ have the same $x$ -coordinate, the length of $\overline{AB}$ is the difference in their $y$ -coordinates. Length of $\overline{AB}$ = $|y_2 - y_1| = |-10 - 3| = |-(10 + 3)| = |-13| = 13$

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