State whether the following statements are true or false. Give reasons for your answers.
State whether the following statements are true or false. Give reasons for your answers.
(i) The sum of the interior angles of a quadrilateral is 3500.
(ii) For any real number x, x2 ≥ 0.
(iii) A rhombus is a parallelogram.
(iv) The sum of two even numbers is even.
(v) The sum of two odd numbers is odd.
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(i) This statement is false because the sum of the interior angles of a quadrilateral is 3600.
(ii) This statement in always true. For example (-2)2 = 4, then we can say x2 ≥ 0 for any real number x.
(iii) This statement is always true.
(iv) This statement is always true. For example, 2 + 2 = 4 and 6 + 4 = 10.
(v) This statement is always false. For example, 3 + 5 = 7 and 3 + 9 = 10.
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