Answer: A
Step-by-step explanation:
you need to find the width of the prism.
10* 0.5*w= 40 where w is the width.
5w= 40
w=8
8 cubes make up the prism’s base which the correct option(A)
The volume of the rectangular prism is defined as it is the product of the base area of a prism by its height, So the volume of a prism = base area × height.
Since a rectangular prism’s base is a rectangle itself, the volume of a rectangular prism, by applying the formula given above, will be:
Volume of a rectangular prism (V) = l × w × h
Where, “l” means the base length, and“w” means the base width, “h” means the height.
Given data as :
Volume of the rectangular prism = 40 cubic cm
The length of the prism (l) = 0.5 centimeters
The height of the prism (h) = 10 centimeters
To determine the width of the prism (w).
Since, Volume of a rectangular prism (V) = l × w × h
Substitute the values in the formula,
40 = 10 × w × 0.5
40 = 5 × w
5w= 40
w=8
So, the width of the prism = 8 cm
Hence, 8 cubes make up the prism’s base.
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