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Question: Which of the following statements is/are correct? 1. Diagonals in a rhombus intersect at right angles and in a square the diagonals bisect each other. 2. In a square, the measures of the diagonals are equal, whereas in a rhombus, the measures of the diagonals need not be equal. 3. In a square, each angle is a right angle, whereas in a rhombus each angle need not be a right angle. 4. In a rhombus and a square, the sum of the adjacent angles is 180o . A ) (1) only B ) (2) and (3) C ) (3) and (4) D ) All the four statements Steps to derive 1 Rhombus is a parallelogram with four congruent sides. In a rhombus, the diagonals bisect each other at right angles. Since a rhombus is a parallelogram, the sum of the adjacent angles is 180o .2 A square is a parallelogram with congruent sides and four right angles. In a square, the diagonals bisect each other at right angles. 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