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Circles: discovering pi by measuring — Homework
Practice finding circumference from diameter, and confirm the ratio pi using real measurements.
- 1.A circle has diameter 12 cm. Using pi = 3.14, estimate its circumference.
- 2.A circle has radius 9 in. Find its diameter and estimate its circumference.
- 3.A circle's circumference measures 15.7 cm and its diameter measures 5 cm. Compute the ratio and state what it confirms.
- 4.A circle has diameter 3 ft. Estimate its circumference.
- 5.Measure the circumference and diameter of a real circular object at home, then compute the ratio. What did you get?
🌲 Homeschool of the FutureSeventh Grade · Math · week 28 homework