123 456. Go Back > Question 1 8x 3 ? A cube has side length 2x. What is its volume? 2a.

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Presentation transcript:

Go Back > Question 1 8x 3 ? A cube has side length 2x. What is its volume? 2a

Question 2 Go Back > What is the volume of this solid? 2m 10m 3m 10m Volume = 128m 3 ?

Question 3 Go Back > What is the surface area of a cuboid with sides 4, 2a and b? Answer = 8a + 4b + 2ab ? 2a 4 b

Question 4 Go Back > ? The volume of this cuboid is 40. The length is 10. The width is x. Find an expression for the height (in terms of x).

Question 5 Go Back > Answer = 4m The length of a swimming pool is twice its width. Its depth is the same as its width. The volume of water in the pool (filled to the top) is 128m 3. What is the width of the pool? ?

Question 6 Go Back > I make up a cube from smaller unit length cubes. My big cube is 5 unit cubes in width, but is hollow (i.e. there are not cubes inside). What is the volume? Answer = 5 3 – 3 3 = 98 ?