The total surface area of a cube of side a is  from Mathematic

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201. The total surface area of a cube of side a is 
  • 4a2 
  • 6a2
  • 3a2  
  • 3a2  


B.

6a2
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202.

The lateral surface area of a cube of side a is

  • 4a2 
  • 6a2
  • 3a2
  • 3a2
87 Views

203.

The curved surface area of a cylinder of base radius r and height h is

 
  • straight pirh  
  • 2straight pirh
  • 3straight pirh
  • 3straight pirh
86 Views

204. The total surface area of a right circular cylinder of base radius r and height h is
  • straight pirh 
  • 2straight pirh
  • 2straight pir(r + h)  
  • 2straight pir(r + h)  
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205. The curved surface area of a right circular cone of base radius r and slant height l is 
  • straight pirl  
  • 2straight pirl
  • 4straight pirl
  • 4straight pirl
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206. The total surface area of a right circular cone of base radius r and slant height I is
  • straight pirl 
  • straight pir(l + r)
  • straight pir2
  • straight pir2
83 Views

207. The relation between I, r and h for a right circular cone is
  •  I2 = r2 + h2  
  • r2 = I2 + h2
  • h2 = l2 + r2
  • h2 = l2 + r2
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208. The surface area of a sphere of radius r is
  • straight pir2  
  • 2straight pir2
  • 3straight pir2 
  • 3straight pir2 
78 Views

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209. The curved surface area of a hemisphere of radius r is
  • m2
  • 3straight pir2
  • 2straight pir2 
  • 2straight pir2 
106 Views

210. The total surface area of a hemisphere of radius r is
  • straight pir2
  • 2straight pir2

  • 3straight pir2
  • 3straight pir2
91 Views

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