find the are of triangle of (6,3) , (-3,5) , (-3,-5)
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Answer:
28.5
Step-by-step explanation:
1/2 ( 6(5-(-5) + -3(-5-3) + -3(6-(-3))
1/2 (6*10 + -3*-8 + -3*9)
1/2 (60 + 24 -27)
1/2 (60 -3)
57/2
28.5
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