GCSE Maths Practice: 3d-shapes-and-nets

Question 7 of 10

Identify the 3D solid with exactly one curved surface and one flat face.

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\( \begin{array}{l}\text{Which 3D solid has exactly one curved surface and one flat face?}\end{array} \)

Choose one option:

\( \text{Cone} \) \( \text{Cylinder} \) \( \text{Sphere} \) \( \text{Cuboid} \)

Identify the base circle and the curved lateral surface.

A cone has a flat circular base and a single curved surface extending to the apex. This makes it unique compared to spheres, cylinders, and cuboids. Understanding cones helps with volume, surface area calculations, and recognition in nets. Practice visualizing the curved surface and base separately and labeling them. This improves spatial reasoning and helps in applied problems like constructing funnels, traffic cones, or designing conical structures.