5 Questions
Match the given radius with the correct circumference:
7 = 44 14 = 88 21 = 132 28 = 176
Match the given radius with the correct area:
7 = 154 14 = 616 21 = 1386 28 = 2464
Match the given circumference with the correct area:
44 = 154 88 = 616 132 = 1386 176 = 2464
Match the given radius with the correct area given these options:
35 = 3850 42 = 5544 49 = 7546 28 = 2464
Match the given circumference with the correct radius:
220 = 35 264 = 42 308 = 49 176 = 28
Study Notes
Circumference and Area of Circles
- Circumference and area of circles are related to the radius, which is a critical component.
- A radius of 7 units corresponds to a circumference of 44 units and an area of 154 square units.
- When the radius is 14 units, the circumference is 88 units, and the area is 616 square units.
- A radius of 21 units results in a circumference of 132 units and an area of 1386 square units.
- As the radius increases to 28 units, the circumference becomes 176 units, and the area becomes 2464 square units.
- With a radius of 35 units, the circumference is 220 units, and the area is 3850 square units.
- A radius of 42 units corresponds to a circumference of 264 units and an area of 5544 square units.
- The largest radius listed, 49 units, results in a circumference of 308 units and an area of 7546 square units.
Solve problems related to circumference, radius, and area of circles. Test your understanding of geometric formulas and calculations.
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