Find area of equilateral triangle whose perimeter is 30
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30×3=90. answered the question
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perimeter of equi Δ = 30
since all sides of w
equi Δ is equal.....
so 30/2 = 10 (length of 1 side)
......
area of equi Δ =√3/4 × side ^2
= √3/4×10^2
= √3/4×100
= √3×25
=3√25 <ans>
....thnk u
since all sides of w
equi Δ is equal.....
so 30/2 = 10 (length of 1 side)
......
area of equi Δ =√3/4 × side ^2
= √3/4×10^2
= √3/4×100
= √3×25
=3√25 <ans>
....thnk u
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