- A360.71
- B400.71
- C440.71
- D801.42
Step-by-Step Solution
Cone CSA = π*. Cyl CSA = 2*π*. Bottom = π*. Total .
Answer: B) 400.71
A rocket model is a cylinder of radius 2.5 cm and height 21 cm with a cone (same radius, slant height 6.5 cm) on top. The total exposed surface = cone curved + cylinder curved + cylinder bottom circle. Find it in . (Take π = ) (CSA = curved surface area, TSA = total surface area)
Class 10Surface Area of Combined SolidsMensuration
Master this chapter in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Surface Area of Combined Solids practice questions
More Class 10 Surface Area of Combined Solids practice
A child's top is a cone surmounted on a hemisphere, radius 2.1 cm, total height of the…A decorative block is a cube of edge 5 cm with a hemisphere fixed on top whose diameter…A juice glass is open at the top. Its inside is a cylinder of radius 3.5 cm and height…A solid wooden toy is a cone (radius 5 cm, slant height 13 cm) standing on a cylinder…A grain silo (Punjab farm) is a cylinder of radius 3.5 m and height 7 m, capped by a…