Grade 1010 grade maths
If the area of circle inscribed in an equilateral triangle is 154 square cm. Find the perimeter of triangle.
If the area of circle inscribed in an equilateral triangle is 154 square cm. Find the perimeter of triangle.
1 Answer
jitender
Area of circle=^r2=154^=22/7And r= 7cmIn an equilateral triangle the median is divided in the ratio 2:1 And median = cmWhere a = side of equilateral triangle and perimeter of triangle = 3a= 42 =14a/2Here a comes a=42/a/2Put x= 721=a/23x== under rootLet x= 7Here x comes x= 7And 2x +x = a/2
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