Find area of equilateral triangle if …
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Posted by Niyati Sonekar 11 months, 4 weeks ago
- 3 answers
Mrunal Pawar 11 months, 4 weeks ago
P=9 so S=4.5 and as it is equilateral triangle all sides are equal i.e 3cm. By herons formula of√S(s-a)(s-b)(s-c) √4.5(4.5-3)(4.5-3)(4.5-3) = √4.5*1.5*1.5*1.5= √15.1875=3.89 approx
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A M 11 months, 3 weeks ago
0Thank You