6. A square-based pyramid has a height of 9cm. The volume of the pyramid is 1089 cm³. Determine the exact side length of the square base (x), in simplified form (reduced radical). [5 marks] (height) V = 1030 (area of base) 3 A h = 9 cm

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
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Chapter64: Volumes Of Spheres And Composite Solid Figures
Section: Chapter Questions
Problem 5A
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6.
A square-based pyramid has a height of 9cm. The volume of the pyramid
is 1089 cm³. Determine the exact side length of the square base (x),
in simplified form (reduced radical). [5 marks]
V =
1030
(area of base) (height)
3
(2 (9)
3
h = 9 cm
X
Transcribed Image Text:6. A square-based pyramid has a height of 9cm. The volume of the pyramid is 1089 cm³. Determine the exact side length of the square base (x), in simplified form (reduced radical). [5 marks] V = 1030 (area of base) (height) 3 (2 (9) 3 h = 9 cm X
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