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45 votes
45 votes
A circular "No Parking" road sign has a diameter of 26 inches. Which measurement is closest to the area of the sign in square inches? 81.64 in.² 163.28 in.² 530.66 in.² 2,122.64 in.²

User BHMulder
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2.8k points

2 Answers

26 votes
26 votes

Answer:

pretty sure its 530.66 in.²

Explanation:

User Mohamed Hafez
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3.6k points
15 votes
15 votes

Answer:

530.66 in²

area of circle: πr²

  • diameter: 26 in

  • radius : diameter/2 = 26/2 = 13 in

  • area: πr² ⇒ π(13)² ⇒ 530.66 in²
User Irinel Iovan
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3.1k points