Geometry

A cube has infinitely many planes of symmetry. True or
False?

Identify the figures that are constructed from Polygons.
A) Octahedron
B) Tetahedron
C) Prism
D) None of the above
E) All of the above

In Translations, if you are moving 5 units BACK, which
direction are you going?

A) Negative direction along the x-axis
B) Negative direction along the y-axis
C) Negative direction along the z-axis
D) None of the Above

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asked by Yaz
  1. Damon, Steve please someone

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    posted by Yaz
  2. A sphere has infinite planes of symmetry, a cube does not.

    All the given choices (A) to (C) are solids. A polygon is a plane figure. We cannot make a solid out of plane figures. We can make faces of polyhedrons out of plane figures, but that's not what the question is asking.

    For the translation question, the work "back" is not usually in mathematics, so it is subject to subjective interpretation. In my opinion, it would be to the left, because we usually consider the positive x-axis as going forward, and the positive y-axis is going upwards.

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    posted by MathMate
  3. wait the last one is what letter?

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    posted by Yaz
  4. Assuming my interpretation of the word "back" is correct, I said:

    "... because we usually consider the positive x-axis as going forward"

    so it would be A.

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    posted by MathMate
  5. Okay thank you Mathmate

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    posted by Yaz
  6. You're welcome!

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    posted by MathMate

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