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Volume and surface area of prisms and pyramids
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Learn it Prism: V = area of base × height. Pyramid: V = ⅓ × area of base × height. Surface area: add the areas of all the faces.
Example: A triangular prism: triangle base 6 cm, height 4 cm, prism length 10 cm.
- Triangle area = ½ × 6 × 4 = 12 cm².
- V = 12 × 10 = 120 cm³.
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