7. Geometry

Investigation: Constructions with a compass

7.01 Review: Classifying and measuring angles

7.02 Angle relationships

Investigation: What is pi?

7.03 Circumference of a circle

7.04 Area of a circle

7.05 Cross sections of prisms and pyramids

7.06 Volume of rectangular prisms

7.07 Surface area of rectangular prisms

Investigation: Develop the formula for volume of a rectangular prism

7.08 Practical problems with surface area and volume

United States of America Tennessee

Grade 7

7.03 Circumference of a circle

Interactive practice questions

Find the circumference of the circle shown, correct to two decimal places.

A circle is shown with a radius, indicated by a ray from the center to the circumference, labeled as $7$ cm. An arrowhead points from the circle's center along the radius to the edge, highlighting the direction of the measurement.

Easy

1 min

Find the circumference of the circle shown, correct to one decimal place.

Easy

1 min

Find the circumference of the circle shown, correct to two decimal places.

Easy

1 min

Find the circumference of the circle shown, correct to three decimal places.

Easy

1 min

Outcomes

7.G.B.3

Know the formulas for the area and circumference of a circle and use them to solve problems. Explore the relationships between the radius, the circumference, and the area of a circle, and the number Ãâ‚¬.

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