find the area of equalateral triangle whose sife is p
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Answer:
s=p+p+p/2=3p/2
area of an eqilateral triangle using heron's formula=√[s*(s-a)*(s-b)*(s-c)]
=√[3p/2*(3p/2-p)*(3p/2-p)*(3p/2-p)]
=√[3p/2*p/2*p/2*p/2]
=(√3p^2)/4
Step-by-step explanation:
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