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A circular lamp base has a radius of 2.5 inches. When placed on a flat table, approximately how much area does the lamp base cover, in square inches?
  • a)
    5.00
  • b)
    6.25
  • c)
    15.70
  • d)
    19.63
  • e)
    25.00
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
A circular lamp base has a radius of 2.5 inches. When placed on a @...
To solve this problem, use the formula for the area of a circle: A = πr2.
Substitute 2.5 for the radius and solve (remember that π ≌ 3.14):
r = 2.5
A = π(2.5)2
A = π(6.25)
A ≌ 19.625 ≌ 19.63
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A circular lamp base has a radius of 2.5 inches. When placed on a flat table, approximately how much area does the lamp base cover, in square inches?a)5.00b)6.25c)15.70d)19.63e)25.00Correct answer is option 'D'. Can you explain this answer?
Question Description
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