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find the area of ?ABC to nearest unit

1) <A=48 , b=24, c=18

2) a=24, b=28, c=35

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David R. | Photography and Computer Skills, What a CombinationPhotography and Computer Skills, What a ...
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1) area = (1/2) b c sin A

2) area = SQRT(s(s-a)(s-b)(s-c)); where s = (a+b+c)/2