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For questions 8 and 9, find the area and circumference. Round to the nearest hundredth 8. 9. 18 in A = A = 25 m C = C =

For questions 8 and 9, find the area and circumference. Round to the nearest hundredth 8. 9. 18 in A = A = 25 m C = C =

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Plz do #8. and #9. Help needed asap
### Geometry Worksheet: Circle Calculations **7.** Name a semicircle. **For questions 8 and 9, find the area and circumference. Round to the nearest hundredth.** #### 8. A circle with a radius of 18 inches. - Radius (r) = 18 in - **Area (A) = ________** - **Circumference (C) = ________** #### 9. A circle with a diameter of 25 meters. - Diameter (d) = 25 m - **Area (A) = ________** - **Circumference (C) = ________** #### 10. If the area of a circle is 201.06 cm², find its diameter and circumference. - **Diameter (d) = ________** - **Circumference (C) = ________** --- **Note:** - The area of a circle (A) is given by the formula: \( \pi r^2 \). - The circumference of a circle (C) is given by the formula: \( 2\pi r \) or \( \pi d \). - The relation between radius (r) and diameter (d) is: \( d = 2r \).
Transcribed Image Text:### Geometry Worksheet: Circle Calculations **7.** Name a semicircle. **For questions 8 and 9, find the area and circumference. Round to the nearest hundredth.** #### 8. A circle with a radius of 18 inches. - Radius (r) = 18 in - **Area (A) = ________** - **Circumference (C) = ________** #### 9. A circle with a diameter of 25 meters. - Diameter (d) = 25 m - **Area (A) = ________** - **Circumference (C) = ________** #### 10. If the area of a circle is 201.06 cm², find its diameter and circumference. - **Diameter (d) = ________** - **Circumference (C) = ________** --- **Note:** - The area of a circle (A) is given by the formula: \( \pi r^2 \). - The circumference of a circle (C) is given by the formula: \( 2\pi r \) or \( \pi d \). - The relation between radius (r) and diameter (d) is: \( d = 2r \).
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