NCERT Class 9
Example 5 : Show that the bisectors of angles of a parallelogram form a rectangle.
15
Oct
Example 5 : Show that the bisectors of angles of a parallelogram form a rectangle. Example 5 : Show that the bisectors of angles of a parallelogram form a rectangle. October 15, 2020 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 ,
Example 4 : Two parallel lines l and m are intersected by a transversal p. Show that the quadrilateral formed by the bisectors of interior angles is a rectangle.
15
Oct
Example 4 : Two parallel lines l and m are intersected by a transversal p. Show that the quadrilateral formed by the bisectors of interior angles is a rectangle. Example 4 : Two parallel lines l and m are intersected by a transversal p. Show that the quadrilateral formed by the bisectors of interior angles [...]
Example 3 : ABC is an isosceles triangle in which AB = AC. AD bisects exterior angle PAC and CD ∥ AB. shown in the figure. Show that: (i) ∠DAC=∠BCA (ii) ABCD is a parallelogram
15
Oct
Example 3 : ABC is an isosceles triangle in which AB = AC. AD bisects exterior angle PAC and CD ∥ AB. shown in the figure. Show that: (i) ∠DAC=∠BCA (ii) ABCD is a parallelogram Example 3 : ABC is an isosceles triangle in which AB = AC. AD bisects exterior angle PAC and CD [...]
Example 2 : Show that the diagonals of a rhombus are perpendicular to each other.
15
Oct
Example 2 : Show that the diagonals of a rhombus are perpendicular to each other. Example 2 : Show that the diagonals of a rhombus are perpendicular to each other. October 15, 2020 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 ,
Example 1 : Show that each angle of a rectangle is a right angle.
15
Oct
Example 1 : Show that each angle of a rectangle is a right angle. Example 1 : Show that each angle of a rectangle is a right angle. October 15, 2020 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 ,
7. ABC is a triangle right angled at C. A line through the mid-point M of hypotenuse AB and parallel to BC intersects AC at D. Show that (i) D is the mid-point of AC (ii) MD ⊥ AC (iii) CM = MA = ½ AB
15
Oct
7. ABC is a triangle right angled at C. A line through the mid-point M of hypotenuse AB and parallel to BC intersects AC at D. Show that (i) D is the mid-point of AC (ii) MD ⊥ AC (iii) CM = MA = ½ AB 7. ABC is a triangle right angled at C. [...]
6. Show that the line segments joining the mid-points of the opposite sides of a quadrilateral bisect each other.
15
Oct
6. Show that the line segments joining the mid-points of the opposite sides of a quadrilateral bisect each other. 6. Show that the line segments joining the mid-points of the opposite sides of a quadrilateral bisect each other. October 15, 2020 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 ,
5. In a parallelogram ABCD, E and F are the mid-points of sides AB and CD respectively (see Fig. 8.31). Show that the line segments AF and EC trisect the diagonal BD.
15
Oct
5. In a parallelogram ABCD, E and F are the mid-points of sides AB and CD respectively (see Fig. 8.31). Show that the line segments AF and EC trisect the diagonal BD. 5. In a parallelogram ABCD E and F are the mid-points of sides AB and CD respectively (see Fig. 8.31). Show that the [...]
4. ABCD is a trapezium in which AB || DC, BD is a diagonal and E is the mid-point of AD. A line is drawn through E parallel to AB intersecting BC at F (see Fig. 8.30). Show that F is the mid-point of BC.
15
Oct
4. ABCD is a trapezium in which AB || DC, BD is a diagonal and E is the mid-point of AD. A line is drawn through E parallel to AB intersecting BC at F (see Fig. 8.30). Show that F is the mid-point of BC. 4. ABCD is a trapezium in which AB || DC [...]
3. ABCD is a rectangle and P, Q, R and S are mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rhombus.
15
Oct
3. ABCD is a rectangle and P, Q, R and S are mid-points of the sides AB, BC, CD and DA respectively. Show that the quadrilateral PQRS is a rhombus. -q 3. ABCD is a rectangle and P BC CD and DA respectively. Show that the quadrilateral PQRS is a rhombus. R and S are [...]