Chapter 9 – Areas of Parallelogram and Triangles
Sahay Sir > Question Answers > NCERT Class 9 > Maths > Chapter 9 - Areas of Parallelogram and Triangles
2. In a triangle ABC, E is the mid-point of median AD. Show that ar(BED) = ¼ ar(ABC).
15
Oct
2. In a triangle ABC, E is the mid-point of median AD. Show that ar(BED) = ¼ ar(ABC). 2. In a triangle ABC E is the mid-point of median AD. Show that ar(BED) = ¼ ar(ABC). October 15, 2020 Category: Chapter 9 - Areas of Parallelogram and Triangles , Maths , NCERT Class 9 ,
1. In Fig.9.23, E is any point on median AD of a ΔABC. Show that ar (ABE) = ar(ACE).
15
Oct
1. In Fig.9.23, E is any point on median AD of a ΔABC. Show that ar (ABE) = ar(ACE). 1. In Fig.9.23 E is any point on median AD of a ΔABC. Show that ar (ABE) = ar(ACE). October 15, 2020 Category: Chapter 9 - Areas of Parallelogram and Triangles , Maths , NCERT Class [...]
6. A farmer was having a field in the form of a parallelogram PQRS. She took any point A on RS and joined it to points P and Q. In how many parts the fields is divided? What are the shapes of these parts? The farmer wants to sow wheat and pulses in equal portions of the field separately. How should she do it?
15
Oct
6. A farmer was having a field in the form of a parallelogram PQRS. She took any point A on RS and joined it to points P and Q. In how many parts the fields is divided? What are the shapes of these parts? The farmer wants to sow wheat and pulses in equal portions [...]
5. In Fig. 9.17, PQRS and ABRS are parallelograms and X is any point on side BR. Show that (i) ar (PQRS) = ar (ABRS) (ii) ar (AXS) = ½ ar (PQRS)
15
Oct
5. In Fig. 9.17, PQRS and ABRS are parallelograms and X is any point on side BR. Show that (i) ar (PQRS) = ar (ABRS) (ii) ar (AXS) = ½ ar (PQRS) 5. In Fig. 9.17 PQRS and ABRS are parallelograms and X is any point on side BR. Show that (i) ar (PQRS) = [...]
4. In Fig. 9.16, P is a point in the interior of a parallelogram ABCD. Show that (i) ar(APB) + ar(PCD) = ½ ar(ABCD) (ii) ar(APD) + ar(PBC) = ar(APB) + ar(PCD)
15
Oct
4. In Fig. 9.16, P is a point in the interior of a parallelogram ABCD. Show that (i) ar(APB) + ar(PCD) = ½ ar(ABCD) (ii) ar(APD) + ar(PBC) = ar(APB) + ar(PCD) 4. In Fig. 9.16 P is a point in the interior of a parallelogram ABCD. Show that (i) ar(APB) + ar(PCD) = ½ [...]
3. P and Q are any two points lying on the sides DC and AD respectively of a parallelogram ABCD. Show that ar(APB) = ar(BQC).
15
Oct
3. P and Q are any two points lying on the sides DC and AD respectively of a parallelogram ABCD. Show that ar(APB) = ar(BQC). 3. P and Q are any two points lying on the sides DC and AD respectively of a parallelogram ABCD. Show that ar(APB) = ar(BQC). October 15, 2020 Category: Chapter [...]
2. If E, F, G and H are respectively the mid-points of the sides of a parallelogram ABCD, show that ar (EFGH) = 1/2 ar(ABCD).
15
Oct
2. If E, F, G and H are respectively the mid-points of the sides of a parallelogram ABCD, show that ar (EFGH) = 1/2 ar(ABCD). 2. If E F G and H are respectively the mid-points of the sides of a parallelogram ABCD show that ar (EFGH) = 1/2 ar(ABCD). October 15, 2020 Category: Chapter [...]
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 [...]