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 Topic: square-based pyramid
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 A truncated, square-based pyramid 2014-11-23 From Hannah:A designer vase has the shape of a truncated, square-based pyramid. The base of the vase is a square with a side length of 15 cm. The area of the square opening is 70.56 cm2. Each of the four sides is a trapezium with slant sides 9 cm long. Find (to the nearest square centimetre) the total surface area of the vase.Answered by Penny Nom. A truncated square-based pyramid 2014-10-22 From Beth:How do you find the height of the original square-based pyramid when given the sides (12cm) of the base and height (6cm) of the truncated pyramid, as well as the sides (3cm) of the base of the chopped off top (chopped off parallel to the base)?Answered by Penny Nom.

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