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1. Which of the following quadilaterals has two pairs of, adjacent sides equal and diagonals intersecting at right, angles?, , (i) square, (ii) rhombus, (iii) kite, (iv) rectangle., 2. Which of the following quadrileterals has a pair of, opposite sides parallel?, , (i) rhombus, (ii) trapezium, (iii) kite, (iv) rectangle., 3. Which of the following quadrileterals is a regular, quadrilateral?, , (i) rectangle, (ii) square, (iii) rhombus, (iv) kite., 4. Which of the quadrilaterals has all angles as right, , angles, opposite sides equal and diagonals bisect-each, other?, , (i) rectangle, (ii) rhombus, (iii) square, (iv) none of these., , 5. Which of the parallelograms has all sides equal and, diagonals bisect each other at right angle?, , (i) square, (ii) rectangle, (iii) rhombus, (iv) trapezium.
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6. In an isosceles parallelogram, we have:, (i) pair of parallel sides as equal, (ii) pair of non-parallel sides as equal, (iii) pair of non-parallel sides as perpendicular, , (iv) none of these., 7. Which of the following is true for the adjacent angles, of a parallelogram?, , (i) they are equal to each other, (ii) they are complementary angles, (iii) they are supplementary angles, , (iv) none of these., 8. The sides of a pentagon are produced in order. Which, of the following is the sum of its exterior angles?, , (i) 540°, (ii) 180°, (iii) 720°, (iv) 360°, 9. Which of the following is a formula to find the sum of, interior angles of a quadrilaters of n-sides?, , (i) $= 180°, , (ii) >). 180°, (iii) no ). 180°, , (iv) (n — 2) x 180°, , 10. Diagonals of which of the following quadrilaterals, do not bisect it into two congruent triangles?, , (i) rhombus, (ii) trapezium, (iii) square, (iv) rectangle.
