Find the perimeter of equilateral triangle if the area of circle inscribed in it is 154cm
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pi r^2=154
22/7×r^2=154
2/7×r^2=14
r=7cm
r=a/2√3
7×2√3=a
perimeter=3a=3×14√3=42√3cm
please mark it as a brainliest answer
22/7×r^2=154
2/7×r^2=14
r=7cm
r=a/2√3
7×2√3=a
perimeter=3a=3×14√3=42√3cm
please mark it as a brainliest answer
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