Evaluate the expression. |3| + |-1| A) -2 B) -4 C) 2 D) 4
1 answer:
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The side AB measures option 2. units long.
Step-by-step explanation:
Step 1:
The coordinates of the given triangle ABC are A (4, 5), B (2, 1), and C (4, 1).
The sides of the triangle are AB, BC, and CA. We need to determine the length of AB.
To calculate the distance between two points, we use the formula
where () are the coordinates of the first point and (
) are the coordinates of the second point.
Step 2:
For A (4, 5) and B (2, 1), () = (4, 5) and (
) = (2, 1). Substituting these values in the distance formula, we get
So the side AB measures units long which is the second option.