NCERT Class 9
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 [...]
Example 8 : P is a point equidistant from two lines l and m intersecting at point A (see figure). Show that the line AP bisects the angle between them.
15
Oct
Example 8 : P is a point equidistant from two lines l and m intersecting at point A (see figure). Show that the line AP bisects the angle between them. Example 8 : P is a point equidistant from two lines l and m intersecting at point A (see figure). Show that the line AP [...]
Example 7 : AB is a line segment P and Q are point on opposite sides of AB such that each of them is equidistant from the points A and B . Show that the line PQ is perpendicular bisector of AB .
15
Oct
Example 7 : AB is a line segment P and Q are point on opposite sides of AB such that each of them is equidistant from the points A and B . Show that the line PQ is perpendicular bisector of AB . Example 7 : AB is a line segment P and Q are [...]
Example 6 : In an isosceles triangle ABC with AB = AC, D and E are points on BC such that BE = CD (see figure). Show that AD = AE.
15
Oct
Example 6 : In an isosceles triangle ABC with AB = AC, D and E are points on BC such that BE = CD (see figure). Show that AD = AE. D and E are points on BC such that BE = CD (see figure). Show that AD = AE. Example 6 : In an [...]
Example 5 : E and F are respectively the mid-points of equal sides AB and AC of ∆ ABC (see figure). Show that BF = CE.
15
Oct
Example 5 : E and F are respectively the mid-points of equal sides AB and AC of ∆ ABC (see figure). Show that BF = CE. Example 5 : E and F are respectively the mid-points of equal sides AB and AC of ∆ ABC (see figure). Show that BF = CE. October 15, 2020 [...]
Example 4 : In triangle abc the bisector ad of angle a is perpendicular to side bc show that ab = bc and triangle abc is an isosceles triangle’
15
Oct
Example 4 : In triangle abc the bisector ad of angle a is perpendicular to side bc show that ab = bc and triangle abc is an isosceles triangle’ Example 4 : In triangle abc the bisector ad of angle a is perpendicular to side bc show that ab = bc and triangle abc is [...]