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**Q1. **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.**Q2.** Which of the following quadrileterals has a pair of opposite sides parallel?

(i) rhombus

(ii) trapezium

(iii) kite

(iv) rectangle.**Q3.** Which of the following quadrileterals is a reguler quadrilateral?

(i) rectangle

(ii) square

(iii) rhombus

(iv) kite.**Q4.** 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.**Q5.** Which of the parallelograms has all sides equal and diagonals bisect each other at right angle?

(i) square

(ii) rectangle

(iii) rhombus

(iv) trapezium.**Q6.** 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.**Q7. **Which of the following is true 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.**Q8. **The sides of a pentagon are produced in order. Which of the following is the sum of its exterior angles?

(i) 540Â°

(ii) 180Â°

(iii) 720Â°

(iv) 360Â°**Q9. **Which of the following is a formula to find the sum of interior angles of a quadrilaters of n-sides?

(iv) (n â€“ 2) Ã— 180Â°

(i) rhombus

(ii) trapezium

(iii) square

(iv) rectangle.

1. (iii)

2. (ii)

3. (ii)

4. (i)

5. (iii)

6. (ii)

7. (iii)

8. (iv)

9. (iv)

10. (ii)

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212 videos|147 docs|48 tests

### Proof: Opposite Sides of a Parallelogram are Equal

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### Formative Assessment- Understanding Quadrilaterals

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### Properties of Parallelogram

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### Properties of Rhombus, Rectangle and Square

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### Proof: Opposite Angles of a Parallelogram are Equal

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- Examples: Polygons and Angle Sum Property of Quadrilaterals
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