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Mathematics 18 Online
TanviPatilS:

The map of a walking trail is drawn on a coordinate grid with three points of interest. The trail starts at R(−1, 4) and goes to S(5, 4) and continues to T(5, −2). The total length of the walking trail is ____ units. (Input whole numbers only.)

MagnusMentula:

sqrt[(x2-x1)^2 + (y2-y1)^2] RS = sqrt[(5--1)^2 + (4-4)^2] RS = 6 ST = sqrt[(5-5)^2 + (-2-4)^2] ST = 6 RS + ST = 12 Answer: 12

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