Lengths of the perpendiculars from a point in the interior of an equilateral triangle on its sides are 3 cm, 4 cm and 5 cm. Area of the triangle is
A48√ 3 cm²
B54√3 cm²
C72√3 cm²
D80√3 cm²
A48√ 3 cm²
B54√3 cm²
C72√3 cm²
D80√3 cm²
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The height of the cylinder is 2times the radius of base of cylinder.If the area of base of the cylinder is 225 cm2.Find the curved surface area of the cylinder?