Asked by Gilly
A piece of wire 2000 cm long is used to make the edges of a cuboid with a height of 2x, length of 3x and depth of w.
Answers
Answered by
Gilly
a. Find w in terms of x.
b. Find the volume, V cm3 , of the cuboid in terms of x.
c. Find the volume if x = 50.
b. Find the volume, V cm3 , of the cuboid in terms of x.
c. Find the volume if x = 50.
Answered by
Reiny
make a sketch of the cube in 3D
Count the sides, you should be able to see 12 of them
so that 4 of them are 2x long, 4 of them are 3x long and 4 of them are w long
so form your equation, and solve for w
then simply follow the instructions of your questions.
Count the sides, you should be able to see 12 of them
so that 4 of them are 2x long, 4 of them are 3x long and 4 of them are w long
so form your equation, and solve for w
then simply follow the instructions of your questions.
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