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9. In parallelogram ABCD, two points P and Q are taken on diagonal BD such that DP = BQ (see Fig. 8.20). Show that: (i) ΔAPD ≅ ΔCQB (ii) AP = CQ (iii) ΔAQB ≅ ΔCPD (iv) AQ = CP (v) APCQ is a parallelogram
15
Oct
9. In parallelogram ABCD, two points P and Q are taken on diagonal BD such that DP = BQ (see Fig. 8.20). Show that: (i) ΔAPD ≅ ΔCQB (ii) AP = CQ (iii) ΔAQB ≅ ΔCPD (iv) AQ = CP (v) APCQ is a parallelogram 9. In parallelogram ABCD two points P and Q are [...]
8. ABCD is a rectangle in which diagonal AC bisects ∠A as well as ∠C. Show that: (i) ABCD is a square (ii) Diagonal BD bisects ∠B as well as ∠D.
15
Oct
8. ABCD is a rectangle in which diagonal AC bisects ∠A as well as ∠C. Show that: (i) ABCD is a square (ii) Diagonal BD bisects ∠B as well as ∠D. 8. ABCD is a rectangle in which diagonal AC bisects ∠A as well as ∠C. Show that: (i) ABCD is a square (ii) Diagonal [...]
7. ABCD is a rhombus. Show that diagonal AC bisects ∠A as well as ∠C and diagonal BD bisects ∠B as well as ∠D.
15
Oct
7. ABCD is a rhombus. Show that diagonal AC bisects ∠A as well as ∠C and diagonal BD bisects ∠B as well as ∠D. 7. ABCD is a rhombus. Show that diagonal AC bisects ∠A as well as ∠C and diagonal BD bisects ∠B as well as ∠D. October 15, 2020 Category: Chapter 8 - [...]
6. Diagonal AC of a parallelogram ABCD bisects ∠A (see Fig. 8.19). Show that (i) it bisects ∠C also, (ii) ABCD is a rhombus.
15
Oct
6. Diagonal AC of a parallelogram ABCD bisects ∠A (see Fig. 8.19). Show that (i) it bisects ∠C also, (ii) ABCD is a rhombus. (ii) ABCD is a rhombus. 6. Diagonal AC of a parallelogram ABCD bisects ∠A (see Fig. 8.19). Show that (i) it bisects ∠C also October 15, 2020 Category: Chapter 8 - [...]
5. Show that if the diagonals of a quadrilateral are equal and bisect each other at right angles, then it is a square.
15
Oct
5. Show that if the diagonals of a quadrilateral are equal and bisect each other at right angles, then it is a square. 5. Show that if the diagonals of a quadrilateral are equal and bisect each other at right angles then it is a square. October 15, 2020 Category: Chapter 8 - Quadrilaterals , [...]
4. Show that the diagonals of a square are equal and bisect each other at right angles.
15
Oct
4. Show that the diagonals of a square are equal and bisect each other at right angles. 4. Show that the diagonals of a square are equal and bisect each other at right angles. October 15, 2020 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 ,
3. Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus.
15
Oct
3. Show that if the diagonals of a quadrilateral bisect each other at right angles, then it is a rhombus. 3. Show that if the diagonals of a quadrilateral bisect each other at right angles then it is a rhombus. October 15, 2020 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 ,
2. If the diagonals of a parallelogram are equal, then show that it is a rectangle.
15
Oct
2. If the diagonals of a parallelogram are equal, then show that it is a rectangle. 2. If the diagonals of a parallelogram are equal then show that it is a rectangle. October 15, 2020 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 ,
1. The angles of quadrilateral are in the ratio 3 : 5 : 9 : 13. Find all the angles of the quadrilateral.
15
Oct
1. The angles of quadrilateral are in the ratio 3 : 5 : 9 : 13. Find all the angles of the quadrilateral. 1. The angles of quadrilateral are in the ratio 3 : 5 : 9 : 13. Find all the angles of the quadrilateral. October 15, 2020 Category: Chapter 8 - Quadrilaterals , [...]
Example 9 : D is a point on side BC of Δ ABC such that AD = AC (see figure). Show that AB > AD.
15
Oct
Example 9 : D is a point on side BC of Δ ABC such that AD = AC (see figure). Show that AB > AD. Example 9 : D is a point on side BC of Δ ABC such that AD = AC (see figure). Show that AB > AD. October 15, 2020 Category: Chapter [...]