NCERT Class 9
3. ABCD is a rhombus such that ∠ACB = 40^o. Then ∠ADB is
30
Jun
3. ABCD is a rhombus such that ∠ACB = 40^o. Then ∠ADB is 3. ABCD is a rhombus such that ∠ACB = 40^o. Then ∠ADB is June 30, 2021 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 ,
2. A diagonal of a rectangle is inclined to one side of the rectangle at 25^o. The acute angle between the diagonals is
30
Jun
2. A diagonal of a rectangle is inclined to one side of the rectangle at 25^o. The acute angle between the diagonals is 2. A diagonal of a rectangle is inclined to one side of the rectangle at 25^o. The acute angle between the diagonals is June 30, 2021 Category: Chapter 8 - Quadrilaterals , [...]
1. Three angles of a quadrilateral are 75^o, 90^o and 75^o. The fourth angle is
30
Jun
1. Three angles of a quadrilateral are 75^o, 90^o and 75^o. The fourth angle is 1. Three angles of a quadrilateral are 75^o 90^o and 75^o. The fourth angle is June 30, 2021 Category: Chapter 8 - Quadrilaterals , Maths , NCERT Class 9 ,
S is any point in the interior of ∆ PQR. Show that SQ + SR < PQ + PR.
30
Jun
S is any point in the interior of ∆ PQR. Show that SQ + SR
If the bisector of an angle of a triangle also bisects the opposite side, prove that the triangle is isosceles.
30
Jun
If the bisector of an angle of a triangle also bisects the opposite side, prove that the triangle is isosceles. If the bisector of an angle of a triangle also bisects the opposite side prove that the triangle is isosceles. June 30, 2021 Category: Chapter 7 - Triangles , Maths , NCERT Class 9 ,
Prove that if in two triangles two angles and the included side of one triangle are equal to two angles and the included side of the other triangle, then the two triangles are congruent.
30
Jun
Prove that if in two triangles two angles and the included side of one triangle are equal to two angles and the included side of the other triangle, then the two triangles are congruent. Prove that if in two triangles two angles and the included side of one triangle are equal to two angles and [...]
In Fig. 7.9, ABC is a right triangle and right angled at B such that ∠BCA = 2 ∠BAC. Show that hypotenuse AC = 2 BC.
30
Jun
In Fig. 7.9, ABC is a right triangle and right angled at B such that ∠BCA = 2 ∠BAC. Show that hypotenuse AC = 2 BC. ABC is a right triangle and right angled at B such that ∠BCA = 2 ∠BAC. Show that hypotenuse AC = 2 BC. In Fig. 7.9 June 30, 2021 [...]
In Fig.7.3, PQ > PR and QS and RS are the bisectors of ∠Q and ∠R, respectively. Show that SQ > SR.
30
Jun
In Fig.7.3, PQ > PR and QS and RS are the bisectors of ∠Q and ∠R, respectively. Show that SQ > SR. In Fig.7.3 PQ > PR and QS and RS are the bisectors of ∠Q and ∠R respectively. Show that SQ > SR. June 30, 2021 Category: Chapter 7 - Triangles , Maths , [...]
In Fig.7.2, two lines AB and CD intersect each other at the point O such that BC || DA and BC = DA. Show that O is the mid-point of both the line-segments AB and CD.
30
Jun
In Fig.7.2, two lines AB and CD intersect each other at the point O such that BC || DA and BC = DA. Show that O is the mid-point of both the line-segments AB and CD. In Fig.7.2 two lines AB and CD intersect each other at the point O such that BC || DA [...]
In Fig 7.1, PQ = PR and ∠Q = ∠R. Prove that ∆ PQS ≅ ∆ PRT.
30
Jun
In Fig 7.1, PQ = PR and ∠Q = ∠R. Prove that ∆ PQS ≅ ∆ PRT. In Fig 7.1 PQ = PR and ∠Q = ∠R. Prove that ∆ PQS ≅ ∆ PRT. June 30, 2021 Category: Chapter 7 - Triangles , Maths , NCERT Class 9 ,