The circumference of the circle, to the nearest tenth, is: 47.1 cm
The area of the circle, to the nearest tenth, is: 176.7 cm²
What is the Area and Circumference of a Circle?
- Circumference = 2πr
- Area = πr², where r is the radius of the circle.
Since each unit = 1 cm on the graph, radius = 7 1/2 = 7.5 cm.
Circumference = 2πr = 2π(7.5)
Circumference = 47.1 cm
Area = πr² = π(7.5²) = 176.7 cm²
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