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OpenStudy (anonymous):
a triangle has sides : 8 1/3, 5 4/5, 9 3/10 inches and a height of 4 3/4 inches find the (a) the perimeter and (b) the area
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OpenStudy (anonymous):
if the sides of the triangle are a,b,c then perimeter =a+b+c and area =sqrt(s*(s-a)*(s-b)*(s-c)) where s=(a+b+c)/2
OpenStudy (anonymous):
thank you (:
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