# Solution - Surface Area of a Combination of Solids

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ConceptSurface Area of a Combination of Solids

#### Question

504 cones, each of diameter 3.5 cm and height 3 cm, are melted and recast into a metallic sphere. Find the diameter of the sphere and hence find its surface area.
[Use π=22/7]

#### Solution

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#### Reference Material

Solution for concept: Surface Area of a Combination of Solids. For the course 8th-10th CBSE
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