Question
How much will it cost to print a circular sign with a radius of \( 1: 6 \) feet if the printing company charges \( \$ 23 \) per square foot? Use \( A=\pi r^{2} \), where \( \pi \) is approximately 3.14 , (Round your answer to the nearest cent.) SUBMIT ANSWER
Ask by Thornton Craig. in the United States
Jan 13,2025
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Answer
The cost to print the circular sign is approximately $2.01.
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Bonus Knowledge
To find the area of the circular sign, you can use the formula \( A = \pi r^2 \). With a radius of \( 1.6 \) feet, the area calculates as: \[ A \approx 3.14 \times (1.6)^2 \approx 3.14 \times 2.56 \approx 8.06 \text{ square feet.} \] Now, to find the cost, multiply the area by the cost per square foot: \[ \text{Cost} \approx 8.06 \times 23 \approx 185.38. \] Therefore, the cost to print the circular sign is approximately \( \$185.38 \).