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CBSE Class 9 Answered

How to derive the formula to find out the area of an equilateral triangle?
Asked by shubhanshu.singh | 17 Oct, 2010, 07:59: PM
answered-by-expert Expert Answer
Dear student,
use the Heron's formula for this.
 each side =p cm(say)
so in the formula we can put a=b=c=p..as its an equilateral trainlge.
use s=
substitute these values and you
hope this clarifies your doubt.
regards,
team
 topperlearnig
Answered by | 17 Oct, 2010, 10:18: PM

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