Question

find the area of triangle whose sides are 7, 6 and 12 by herons formula​

Answer 1

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Answer 2

Step-by-step explanation:

given three sides are 7,6,12

formula is √(s(s-a)(s-b)(s-c)

and s=( a+b+c)/2

s= (7+6+12)/2 = 25/2= 12.5

s-a= 12.5-7= 5.5

s-b= 12.5-6=6.5

s-c= 12.5-12= 0.5

Area = √12.5(5.5)(6.5)(0.5)= 14.9478

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