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 GA

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

1min

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

Easy

1min

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

Easy

1min

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

Easy

1min

Outcomes

MGSE7.G.4

Given the formulas for the area and circumference of a circle, use them to solve problems; give an informal derivation of the relationship between the circumference and area of a circle.

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