This math topic focuses on calculating the circumference of a circle given its radius, expressing the results as a function of π (pi). Each problem on the topic presents a circle with a specific radius, and students are tasked with determining the circumference using the formula \( C = 2\pi r \). The problems provide multiple answer choices expressed in terms of π, enhancing students' understanding of circumference calculations in relation to π, reinforcing skills in basic circle geometry.
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Find the circumference of the circle as a function of π