Given: Side of triangle = 84 cm Formula: Area of triangle = [√3/4] × a2 (a=side) Area of circle = πr2 (r = radius) Circum-radius of triangle = a/√3 Calculation: Area of triangle = [√3/4] × 84 × 84 = 1764√3 = 1764 × 1.73 ≈ 3052 cm2 Area of circle = [22/7] × [84/√3] × [84/√3] = 7392 cm2 ∴ Area of circle is more than that of triangle = 7392 – 3052 = 4340 cm2