TEKS 7.9B, 7.5B
Find the circumference of the circle. Round your answer to the nearest tenth.
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Find the area of the circle. Round your answer to the nearest tenth.
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A spotlight can be adjusted to effectively light a circular area of up to 6 meters in diameter. To the nearest tenth, what is the maximum area that can be effectively lit by the spotlight?
The world’s largest flower, the Giant Rafflesia, is 91 centimeters in diameter. Use a calculator to determine the circumference of a Giant Rafflesia to the nearest tenth.
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The bull’s eye on an archery target has a radius of 3 inches. The entire target has a radius of 9 inches. To the nearest tenth, determine the area of the target outside of the bull’s eye.
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Determine the area of a semicircle with a diameter of 28 cm. Use 3.14 for π. Round to the nearest tenth if necessary.
A mountain bike wheel has a radius of 13 inches. How many feet will the bike travel in 7 revolutions? Round to the nearest tenth of a foot.
A welcome mat in front of the hardware store is a half-circle. The straight side of the mat is 24 inches. What is the perimeter of the mat? Round to the nearest inch.
A Ferris wheel has a circumference of 89.49 feet. What is the approximate radius of the Ferris wheel to the nearest hundredth of a foot? Use 3.14 for