Question
If the height of equilateral triangle is 12 cm, then
find out the area of its circumcircle?Solution
Height of an equilateral triangle = √3/2  × side Side = h × 2/√3 = 12 × 2/√3 = 8√3 Radius of circumcircle = side/√3 = (8√3)/√3 = 8 cm Area of circumcircle = πr² = 8²π = 64π
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