Answer:
108 cubes
Step-by-step explanation:
step 1
Find the volume of the cube with side length of 1/3 units
The volume of the cube is equal to
where
b is the side length
we have
substitute
step 2
To find how many cubes are needed to fill the prism, divide 4 cubic units (volume of the rectangular prism) by 1/27 cubic units (volume of one cube)
en anglais, s'il vous plait.
third option
well, since
52 = –4•4 + 68 and
52 = 8•4 + 20
area of circle = pi r^2
= 3.14*3^2
= 3.14*9
= <em>28.26 units^2</em>
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<em>28.26 units^2 is the answer.</em>
50