A birthday cap is in the form of a right circular cone of base radius 6 cm and height 8 cm. Find the area of the paper sheet required to make 15 such caps. (π =3.14)
A2286 sq cm
B2682 sq cm
C2826 sq cm
D2862 sq cm
A2286 sq cm
B2682 sq cm
C2826 sq cm
D2862 sq cm
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In the figure ABCD is a square. The length of its diagonal is 4√2 centimetres. The area of the square is :
A clay cylinder of height 42 cm is converted into a cone of the same radius as that of the cylinder. If the volume of the cylinder is 52,800 cm3 , then the radius (in cm) of the cone is:(Use π =22/7)