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MF.GM.2 Standard MF-049-A04-V04

Find and interpret perimeter and circumference in numeric and contextual problems.

Compare boundary distances

Problem

Compare the circumferences of Track A, with diameter \(14~\text{meters}\), and Track B, with radius \(7~\text{meters}\). Use expressions in terms of \(\pi~\) or approximations based on \(3.14\).

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Track B has the greater circumference because its circumference is 28π meters while Track A’s is 14π meters.

Track A has the greater circumference because Track B’s circumference is 7π meters while Track A’s is 14π meters.

The circumferences are equal; both tracks have circumference 14π meters (about 43.96 meters).

Track A has the greater circumference because 14 is bigger than 7.

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Curriculum context

Course: Math Foundations
Standard: MF.GM.2
Category: Geometry and Measurement
Domain: Plane Measurement
Objective: Find and interpret perimeter and circumference in numeric and contextual problems.
Problem type: Compare boundary distances