Area of the canvas cloth needed to erect a right conical tent of height 12 ft and circular base having circumference `10pi\ ft` is (a) 60 sq ft (b) 65 sq ft (c) `65pi\ s q\ ft` (d) `120pi\ s q\ ft`

The curved surface of a right circular cone of height 15 cm and base diameter 16 cm is (a) 60pi\ c m^2 (b) 68pi\ c m^2 (c) 120pi\ c m^2 (d) 136pi\ c m^2

The curved surface of a right circular cone of height 15cm and base diameter 16cm is 60 pi backslash cm^(2)(b)68 pi backslash cm^(2) (c) 120 pi backslash cm^(2) (d) 136 pi backslash cm^(2)

The area of a circle whose radius is the diagonal of a square whose area is 4 sq. units is 16pi s qdotu n i t s (b) 4pi s qdotu n i t s (c) 6pi s qdotu n i t s (d) 8pi s qdotu n i t s

A carpenter is designing a table. The table will be in the form of a rectangle whose length is 4 feet more than its width. How long should the table be if the carpenter wants the area of the table to be 45 sq ft? (a) 6 ft (b) 9 ft (c) 11 ft (d) 13 ft

A solid metallic right circular cylinder of base diameter 16 cm and height 2 cm is melted and recast into a right circular cone of height three times that of the cylinder. Find the curved surface area of the cone. [U s e pi=3. 14] (a) 196.8 cm2 (b) 228.4 cm2 (c) 251.2 cm2 (d) None of these

A circular swimming pool is surrounded by a concrete wall 4 ft.wide.If the area of the concrete wall surrounding the pool is (11)/(25) that of the pool,then the radius of the pool is (a) 8 ft (b) 16 ft (c)20 ft (d)30 ft

The area of a sector-shaped canvas cloth is 264 m^(2) . With this canvas cloth, If a right circular conical tent is erected with the radius of the base as 7 m, then find the height of the tent. (use pi=22//7 )

If h ,\ S\ a n d\ V denote respectively the height, curved surface area and volume of a right circular cone, then 3piV h^3-\ S^2h^2+9V^2 is equal to (a) 8 (b)0(c) 4pi (d) 32pi^2

Two medians drawn from the acute angles of a right angled triangle intersect at an angle pi/6dot If the length of the hypotenuse of the triangle is 3u n i t s , then the area of the triangle (in sq. units) is sqrt(3) (b) 3 (c) sqrt(2) (d) 9