Ages 12–14🧮 MathematicsBeing planted

Circles: Circumference & Area

Calculate the circumference and area of circles using the formulae C = πd (or 2πr) and A = πr², and solve problems involving perimeters and areas of composite shapes that include circular parts

A first look

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Question 1 of 3

A rectangle has a length of 8 cm and a width of 5 cm. What is its area?

Question 2 of 3

A right circular cylinder has a radius of 4 cm and a height of 10 cm. What is the total surface area of the cylinder?

Question 3 of 3

What is the perimeter of a rectangle whose length is 8 cm and whose breadth is 5 cm?

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Skill names and descriptions include the Marble Skill Taxonomy © Generative Spark, Inc. (withmarble.com), licensed under ODbL 1.0 (database) and CC BY-SA 4.0 (content). Practice questions are GlowGrades's own, each checked by independent verifiers that must agree before a child ever sees it.