Math question please help
If you get this right I will mark you as a brainliest
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sarahrocks826:
I don’t know that formula
I don’t have time this isn’t my last day please help me please
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The Heron formula can be used.
A = sqrt( s (s-a)( s -b) (s-c)) where s is the semi perimeter. s = (9 + 6 + 12)/ 2= 27/2=13.5
A = sqrt( 2.5 x 9.5 x 1.5×13.5) = sqrt(480.9375
A = sqrt( s (s-a)( s -b) (s-c)) where s is the semi perimeter. s = (9 + 6 + 12)/ 2= 27/2=13.5
A = sqrt( 2.5 x 9.5 x 1.5×13.5) = sqrt(480.9375
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15.08 mm^2 is correct answerr...
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