Chapter 9 – Areas of Parallelogram and Triangles

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 [...]

5. In Fig. 9.5, if parallelogram ABCD and rectangle ABEF are of equal area, then : (A) Perimeter of ABCD = Perimeter of ABEM (B) Perimeter of ABCD Perimeter of ABEM (D) Perimeter of ABCD = 1/2 (Perimeter of ABEM) 5. In Fig. 9.5 if parallelogram ABCD and rectangle ABEF are of equal area then [...]

4. In Fig. 9.4, the area of parallelogram ABCD is : 4. In Fig. 9.4 the area of parallelogram ABCD is : July 1, 2021 Category: Chapter 9 - Areas of Parallelogram and Triangles , Maths , NCERT Class 9 ,

3. The figure obtained by joining the mid-points of the adjacent sides of a rectangle of sides 8 cm and 6 cm is : 3. The figure obtained by joining the mid-points of the adjacent sides of a rectangle of sides 8 cm and 6 cm is : July 1, 2021 Category: Chapter 9 - [...]