NCERT Class 9
1. In Fig. 9.15, ABCD is a parallelogram, AE ⊥ DC and CF ⊥ AD. If AB = 16 cm, AE = 8 cm and CF = 10 cm, find AD.
15
Oct
1. In Fig. 9.15, ABCD is a parallelogram, AE ⊥ DC and CF ⊥ AD. If AB = 16 cm, AE = 8 cm and CF = 10 cm, find AD. 1. In Fig. 9.15 ABCD is a parallelogram AE = 8 cm and CF = 10 cm AE ⊥ DC and CF ⊥ AD. [...]
1. Which of the following figures lie on the same base and in-between the same parallels. In such a case, write the common base and the two parallels.-
15
Oct
1. Which of the following figures lie on the same base and in-between the same parallels. In such a case, write the common base and the two parallels.- 1. Which of the following figures lie on the same base and in-between the same parallels. In such a case write the common base and the two [...]
1. Which of the following figures lie on the same base and in-between the same parallels. In such a case, write the common base and the two parallels.-
15
Oct
1. Which of the following figures lie on the same base and in-between the same parallels. In such a case, write the common base and the two parallels.- 1. Which of the following figures lie on the same base and in-between the same parallels. In such a case write the common base and the two [...]
1. Which of the following figures lie on the same base and in-between the same parallels. In such a case, write the common base and the two parallels.-
15
Oct
1. Which of the following figures lie on the same base and in-between the same parallels. In such a case, write the common base and the two parallels.- 1. Which of the following figures lie on the same base and in-between the same parallels. In such a case write the common base and the two [...]
1. Which of the following figures lie on the same base and in-between the same parallels In such a case, write the common base and the two parallels.
15
Oct
1. Which of the following figures lie on the same base and in-between the same parallels In such a case, write the common base and the two parallels. 1. Which of the following figures lie on the same base and in-between the same parallels. In such a case write the common base and the two [...]
1. Which of the following figures lie on the same base and in-between the same parallels In such a case, write the common base and the two parallels.
15
Oct
1. Which of the following figures lie on the same base and in-between the same parallels In such a case, write the common base and the two parallels. 1. Which of the following figures lie on the same base and in-between the same parallels. In such a case write the common base and the two [...]
1. Which of the following figures lie on the same base and in-between the same parallels. In such a case, write the common base and the two parallels.
15
Oct
1. Which of the following figures lie on the same base and in-between the same parallels. In such a case, write the common base and the two parallels. 1. Which of the following figures lie on the same base and in-between the same parallels. In such a case write the common base and the two [...]
Example 8 : l, m and n are three parallel lines intersected by transversals p and q such that l, m and n cut off equal intercepts AB and BC on p. Show that l, m and n cut off equal intercepts DE and EF on q also.
15
Oct
Example 8 : l, m and n are three parallel lines intersected by transversals p and q such that l, m and n cut off equal intercepts AB and BC on p. Show that l, m and n cut off equal intercepts DE and EF on q also. Example 8 : l m and n [...]
Example 7 : In triangle ABC, D, E and F are respectively the midpoints of sides AB, BC and CA show that triangle ABC is divided into four congruent Triangles by joining D E and F.
15
Oct
Example 7 : In triangle ABC, D, E and F are respectively the midpoints of sides AB, BC and CA show that triangle ABC is divided into four congruent Triangles by joining D E and F. BC and CA show that triangle ABC is divided into four congruent Triangles by joining D E and F. [...]
Example 6 : ABCD is a parallelogram in which P and Q are mid-points of opposite sides AB and CD. If AQ intersects DP at S and BQ intersects CP at R, show that: (i) APCQ is a parallelogram (ii) DPBQ is a parallelogram (iii) PSQR is a parallelogram
15
Oct
Example 6 : ABCD is a parallelogram in which P and Q are mid-points of opposite sides AB and CD. If AQ intersects DP at S and BQ intersects CP at R, show that: (i) APCQ is a parallelogram (ii) DPBQ is a parallelogram (iii) PSQR is a parallelogram Example 6 : ABCD is a [...]