A vessel of conical shape of radius 14cm and slanted height 20cm is to be coloured. What is the cost of painting at a rate of 2/cm2? (Take = ( frac{22}{7} ))

A vessel of conical shape of radius 14cm and slanted height 20cm is to

1.	A vessel of conical shape of radius 14cm and slanted height 20cm is to be coloured. What is the cost of painting at a rate of 2/cm2? (Take = ( frac{22}{7} ))
A.	1540
B.	1660
C.	1760
D.	1500
Answer» D. 1500

A vessel of conical shape of radius 14cm and slanted height 20cm is to be coloured. What is the cost of painting at a rate of 2/cm2? (Take = ( frac{22}{7} ))
A tent of conical shape of base radius 28m and slanted height 20m is to be made from a certain material. What is the total cost of clothing material if the rate of material is 80/m2? (Take = ( frac{22}{7} ))
The curved surface area of a cone is 1980 cm2 and its radius is 21cm, what is the slanted height of a cone? (Take = ( frac{22}{7} ))
What is the total surface area of a cone of radius 7cm and height 24cm? (Take = ( frac{22}{7} ))
The total surface area of a cone of base radius r and slanted height l is equal to __________