How many lines of symmetry does a 2 dimensional diamond have?

Question

Is it 2 or 4?

Answer 1

I would say 2.

Additional to the Answer below-: A square has 4 lines of symmetry, two across the diagonals and two across the mid-points of the sides.

Answer 2

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RE:
How many lines of symmetry does a 2 dimensional diamond have?
Is it 2 or 4?

Answer 3

Well if you mean by diamond a square rotated so a point is at the bottom then 4, but if you mean a shape more like a kite then it would only be 1.

Answer 4

I would say 1.
If there were 2 lines of symmetry I think it would be a square.

Answer 5

Define a diamond!

If a diamond is a kite shape, it will have one, down the centre.

If a diamond has the midpoint of the line top to bottom coinciding with the midpoint of the line side to side, then there are two: one top to bottom, and one side to side.

If a diamond is a square standing on a corner, it has four: one top to bottom, one side to side, one from the midpoint of one side to the opposite side, and one from the midpoint of one of the other two sides to its opposite one.

So a diamond must have at least one, but depending on what you consider to be a diamond, it could have up to four!

Answer 6

y = 3x^2 + 6x - 10 => y = 3(x^2 + 2x + 1) - 13 => y + 13 = (x + 1)^2 => vertex of the parabola is (-1, -13) and its axis is x = -1 which is the line of symmetry.

Answer 7

There are four. 1 and 2 are lines that go through opposite corners. 3 and 4 are lines that go through the midpoints of opposite sides.

Answer 8

Definitely 2: corner to corner x2
Lines between midsections show a rotated shape, not a reflected shape.

Answer 9

2 becuz its a rhombus shape

Answer 10

it would be 2. One vertical and one horizontal, both intersecting the points of the diamond.