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Are there any trapezoids that are also rhombuses?
yes - all the rhombuses. By definition a trapezoid has two parallel sides, a rhombus also has two parallel sides - because both pairs of opposite sides are parallel. So all rhombuses are trapezoids (but not all trapezoids are rhombuses)
Which common quadrilaterals have two lines of symmetry?
Rhombuses and Rectangles
Are two obtuse triangles sometimes always or never similar?
sometimes
What are figures that have two lines of symmetry?
Rectangles and Rhombuses (have at least 2 lines of symmetry).
Is two regular polygons always sometimes or never similar?
If they have the same nuber of sides (angles) then always. If not then never. So, overall, I suppose the answer is sometimes - depending on the number of sides.
Is this statement alwayssometimes or never true. the LCM of two numbers is the product of the two numbers?
sometimes true
What will always be similar a two different squares b two different rectangles c two different rhombuses d two different parallelograms?
a) two different squares
Are no rhombuses trapezoids?
Correct. Trapezoids have two opposite sides that are unequal in length, unlike rhombuses.
Are there any trapezoids that are also rhombuses?
yes - all the rhombuses. By definition a trapezoid has two parallel sides, a rhombus also has two parallel sides - because both pairs of opposite sides are parallel. So all rhombuses are trapezoids (but not all trapezoids are rhombuses)
When are two ellipses similar?
Never
Which common quadrilaterals have two lines of symmetry?
Rhombuses and Rectangles
Are rhombuses special parallelograms?
Yes. A parallelogram has two pairs of equal sides, but in a rhombus all the sides are equal.(similar situation: a square is a special kind of rectangle)
What shape does two litlle rhombuses make?
Two Rhumbuses Make up a parrellogram.
How many tan rhombuses does it takes to cover a rhombus?
two 2
Are two cones sometimes similar?
Nope they are never similar, just like snowflakes.
Are two regular octagons always sometimes or never similar?
never ever ever
Is two squares always sometimes or never similar?
Yes
