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What is equal set?
Two sets are equal if they both contain the same elements.
What is a four sided object called?
A polygon; specifically a tetragon. A two-dimensional shape with four equal sides and four right angles is a square. A two-dimensional shape with two sets of equal sides and four right angles is a rectangle. A two-dimensional shape with two sets of equal sides and two sets of equal angles is a parallelogram. A parallelogram where each opposite angel bisects the shape is a rhombus. A two-dimensional shape with one set of equal, parallel sides and two sets of equal angles is a trapezoid. A three-dimensional shape with four triangular faces is a tetrahedron.
Can two disjoint sets be equivalent?
Yes,Because not all disjoint no equivalent other have disjoint and equivalent
0.4 and 0.40 is equivalent not equivalent?
The two values are equivalent in that they both represent around 4/10ths. However, 0.40 has one more significant figure, making it more precise than 0.4. Do not confuse "equivalent" with "equal", mathematically speaking. If something is equal, it is also equivalent. But if something is equivalent, it isn't necessarily equal. In this case, 0.4 is equivalent to 0.40, but 0.4 may not equal 0.40; it may have a rounding error making it unequal to 0.40. I hope this isn't too confusing for you!
What quadrilateral has two pairs of parallel sides and four equal sides but does not necessarily have right angles?
A rhombus.
