Question
Download Solution PDFIf the diameter of a sphere is 3.5 cm, then what is the total surface area of the sphere?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
The diameter of a sphere is 3.5 cm
Concept used:
Total surface area = 4πr2
Here r = radius
Calculation:
Total surface area = 4 × 22/7 × (3.5/2)2
⇒ 4 × 22/7 × 12.25/4
⇒ 22/7 × 12.25
⇒ 38.5
∴ The total surface area of the sphere is 38.5 cm2.
Last updated on Jul 10, 2025
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