GCSE Maths Practice: volume

Question 9 of 10

This question asks which solids have curved surfaces.

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\( \begin{array}{l}\text{Which solids have curved surfaces?}\end{array} \)

Select all correct options:

Look for continuous surfaces without flat faces; those are curved.

Curved surfaces exist on solids like spheres, cylinders, and cones. Cuboids have only flat faces. Recognising curved surfaces is essential in geometry and real-life applications like designing tanks, pipes, or balls. For example, a cylinder has circular top and bottom faces with curved side; a cone has curved lateral surface. Understanding surface shapes helps in calculating areas, volumes, and material requirements. Practice visualising solids and identifying their curved and flat parts.