Find counter examples to disprove the statements: A quadrilateral with all sides are equal in a square.

Find counter examples to disprove the following statements: Every rectangle is a square.

Find counter examples to disprove the statements: If n is a whole number, then 2n^2+11 is a prime.

Find counter examples to disprove the statements: Two triangle are congruent if all their corresponding angles are equal.

Restate the following statements with appropriate conditioins, so that they become true statements. If a quadrilateral has all its sides equal, then it is a square.

Find counter examples to disprove the following statements: For any integers x and y, sqrt(x^(2) + y^(2)) = x+y

A counter example to the statement "In any right triangle the square of the smallest side equals to sum of the other sides" is

In which of the following all sides are equal?

Restate the following statements with appropriate conditioins, so that they become true statements. i. For every real number x, 3x gt x . ii. For every real number x, x^(2) ge x iii. If you divide a number by two, you will always get half of that number. iv. The angle subtended by a chord of a circle at a point on the circle is 90°. v. If a quadrilateral has all its sides equal, then it is a square.

Statement A : In a rectangle opposite sides are equal and diagonals are equal. Statement B : In a parallelogram opposite sides are equal and diagonals are equal. Statement C : In a rhombus all the sides are equal and diagonals are not equal. Which of the following is true?

If each pair of opposite sides of a quadrilateral is equal, then it is a