Question Answers

5. In Fig. 9.8, ABCD and EFGD are two parallelograms and G is the mid-point of CD. Then ar (DPC) = 1/2 ar ( EFGD). 5. In Fig. 9.8 ABCD and EFGD are two parallelograms and G is the mid-point of CD. Then ar (DPC) = 1/2 ar ( EFGD). July 1, 2021 Category: Chapter [...]

4. ABC and BDE are two equilateral triangles such that D is the mid-point of BC. Then ar (BDE) = 1/4 ar ( ABC). 4. ABC and BDE are two equilateral triangles such that D is the mid-point of BC. Then ar (BDE) = 1/4 ar ( ABC). July 1, 2021 Category: Chapter 9 - [...]

3. PQRS is a parallelogram whose area is 180 cm^2 and A is any point on the diagonal QS. The area of ∆ ASR = 90 cm^2. 3. PQRS is a parallelogram whose area is 180 cm^2 and A is any point on the diagonal QS. The area of ∆ ASR = 90 cm^2. July [...]

2. PQRS is a rectangle inscribed in a quadrant of a circle of radius 13 cm. A is any point on PQ. If PS = 5 cm, then ar (PAS) = 30 cm^2. 2. PQRS is a rectangle inscribed in a quadrant of a circle of radius 13 cm. A is any point on PQ. [...]

1. ABCD is a parallelogram and X is the mid-point of AB. If ar (AXCD) = 24 cm^2, then ar (ABC) = 24 cm^2. 1. ABCD is a parallelogram and X is the mid-point of AB. If ar (AXCD) = 24 cm^2 then ar (ABC) = 24 cm^2. July 1, 2021 Category: Chapter 9 - [...]

10. ABCD is a trapezium with parallel sides AB = a cm and DC = b cm (Fig. 9.6). E and F are the mid-points of the non-parallel sides. The ratio of ar (ABFE) and ar (EFCD) is 10. ABCD is a trapezium with parallel sides AB = a cm and DC = b cm [...]

9. If a triangle and a parallelogram are on the same base and between same parallels, then the ratio of the area of the triangle to the area of parallelogram is 9. If a triangle and a parallelogram are on the same base and between same parallels then the ratio of the area of the [...]

8. ABCD is a quadrilateral whose diagonal AC divides it into two parts, equal in area, then ABCD 8. ABCD is a quadrilateral whose diagonal AC divides it into two parts equal in area then ABCD July 1, 2021 Category: Chapter 9 - Areas of Parallelogram and Triangles , Maths , NCERT Class 9 ,

7. Two parallelograms are on equal bases and between the same parallels. The ratio of their areas is 7. Two parallelograms are on equal bases and between the same parallels. The ratio of their areas is July 1, 2021 Category: Chapter 9 - Areas of Parallelogram and Triangles , Maths , NCERT Class 9 ,

6. The mid-point of the sides of a triangle along with any of the vertices as the fourth point make a parallelogram of area equal to 6. The mid-point of the sides of a triangle along with any of the vertices as the fourth point make a parallelogram of area equal to July 1, 2021 [...]