Introduction of Pyramid
Base, faces and vertex · e, l, h and a · Two Pythagoras relations
Recognise and define a pyramid
Name a pyramid by its base
Tell edge, slant height and vertical height apart
Derive and use the formulas for l and e
Cylinder: curved surface \( 2\pi rh \)
Prism: volume = area of base × length
Sphere \( 4\pi r^2 \), hemisphere \( 3\pi r^2 \)
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