Q. A triangle has vertices on a coordinate grid at F(3,−2),G(3,9), and H(−6,−2). What is the length, in units, of FG ?Answer: □ units
Identify Points F and G: Identify the coordinates of points F and G. F(3,−2) and G(3,9) are the points we are interested in.
Calculate Length of FG: Recognize that the length of bar(FG) is the distance between points F and G. We will use the distance formula to calculate this length.
Apply Distance Formula: Apply the distance formula.The distance formula is d=(x2−x1)2+(y2−y1)2, where (x1,y1) and (x2,y2) are the coordinates of the two points.
Substitute Coordinates: Substitute the coordinates of F and G into the distance formula.For F(3,−2) and G(3,9), we have d=(3−3)2+(9−(−2))2.
Simplify Expression: Simplify the expression. d=(0)2+(11)2=0+121=121.
Calculate Square Root: Calculate the square root of 121.d=121=11.
State Length of FG: State the length of bar(FG).The length of bar(FG) is 11 units.
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