Find the circumference of the circle; its radius is 70 cm.
| January 20, 2021 | education
C = 2πr, where C is the circumference, r is the radius of the circle, π = 3.1.
Given:
r = 70.
Find: С-?
Decision:
C = 2πr.
C = 2 * 70 * 3.1 = 434 (cm).
Answer: 434 centimeters is the length of this circle.
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