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Triangle IJK, with vertices I(3,-8), J(9,-7), and K(5,-4), is drawn inside a rectangle, as shown below. What is the area, in square units, of triangle IJK?

Triangle IJK with vertices I38 J97 and K54 is drawn inside a rectangle as shown below What is the area in square units of triangle IJK class=
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ferrybukantoro

Answer:

11 sq units

Step-by-step explanation:

(6×4) - ½(6×1 + 4×3 + 2×4)

= 24 - ½(6+12+8)

= 24 - ½(26)

= 24-13

= 11 sq units

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