Using heron's formula 1.8m,8m,8.2m
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heron formula is
firstly perimeter of sides then
s=a+b+c/2
area of ∆=√s(s-a)+(s-b)+(s-c)
firstly perimeter of sides then
s=a+b+c/2
area of ∆=√s(s-a)+(s-b)+(s-c)
baskarsona1977:
but what is the answer please do this sum
a,b,c represent sides use in the formula u will get
Then the answer is 7.2msq but I can't get this answer
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