Chapter 8 – Quadrilaterals
6. Diagonals of a rectangle are equal and perpendicular. Is this statement true? Give reason for your answer.
01
Jul
6. Diagonals of a rectangle are equal and perpendicular. Is this statement true? Give reason for your answer. 6. Diagonals of a rectangle are equal and perpendicular. Is this statement true? Give reason for your answer. July 1, 2021 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 ,
5. All the angles of a quadrilateral are equal. What special name is given to this quadrilateral?
01
Jul
5. All the angles of a quadrilateral are equal. What special name is given to this quadrilateral? 5. All the angles of a quadrilateral are equal. What special name is given to this quadrilateral? July 1, 2021 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 ,
4. In quadrilateral ABCD, ∠A + ∠D = 180o. What special name can be given to this quadrilateral?
01
Jul
4. In quadrilateral ABCD, ∠A + ∠D = 180o. What special name can be given to this quadrilateral? ∠A + ∠D = 180o. What special name can be given to this quadrilateral? 4. In quadrilateral ABCD July 1, 2021 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 ,
3. Can the angles 110^o, 80^o, 70^o and 95^o be the angles of a quadrilateral? Why or why not?
01
Jul
3. Can the angles 110^o, 80^o, 70^o and 95^o be the angles of a quadrilateral? Why or why not? 3. Can the angles 110^o 70^o and 95^o be the angles of a quadrilateral? Why or why not? 80^o July 1, 2021 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 ,
2. Diagonals of a parallelogram are perpendicular to each other. Is this statement true? Give reason for your answer.
30
Jun
2. Diagonals of a parallelogram are perpendicular to each other. Is this statement true? Give reason for your answer. 2. Diagonals of a parallelogram are perpendicular to each other. Is this statement true? Give reason for your answer. June 30, 2021 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 ,
1. Diagonals AC and BD of a parallelogram ABCD intersect each other at O. If OA = 3 cm and OD = 2 cm, determine the lengths of AC and BD.
30
Jun
1. Diagonals AC and BD of a parallelogram ABCD intersect each other at O. If OA = 3 cm and OD = 2 cm, determine the lengths of AC and BD. 1. Diagonals AC and BD of a parallelogram ABCD intersect each other at O. If OA = 3 cm and OD = 2 cm [...]
14. D and E are the mid-points of the sides AB and AC respectively of ∆ABC. DE is produced to F. To prove that CF is equal and parallel to DA, we need an additional information which is
30
Jun
14. D and E are the mid-points of the sides AB and AC respectively of ∆ABC. DE is produced to F. To prove that CF is equal and parallel to DA, we need an additional information which is 14. D and E are the mid-points of the sides AB and AC respectively of ∆ABC. DE [...]
13. Which of the following is not true for a parallelogram?
30
Jun
13. Which of the following is not true for a parallelogram? 13. Which of the following is not true for a parallelogram? June 30, 2021 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 ,
12. The diagonals AC and BD of a parallelogram ABCD intersect each other at the point O. If ∠DAC = 32^o and ∠AOB = 70^o, then ∠DBC is equal to
30
Jun
12. The diagonals AC and BD of a parallelogram ABCD intersect each other at the point O. If ∠DAC = 32^o and ∠AOB = 70^o, then ∠DBC is equal to 12. The diagonals AC and BD of a parallelogram ABCD intersect each other at the point O. If ∠DAC = 32^o and ∠AOB = 70^o [...]
11. The figure formed by joining the mid-points of the sides of a quadrilateral ABCD, taken in order, is a square only if,
30
Jun
11. The figure formed by joining the mid-points of the sides of a quadrilateral ABCD, taken in order, is a square only if, 11. The figure formed by joining the mid-points of the sides of a quadrilateral ABCD is a square only if taken in order June 30, 2021 Category: Chapter 8 - Quadrilaterals , [...]