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 squ
are units, of triangle IJK?
1 answer:
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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