Class 9 Maths Areas Of Parallelograms And Triangles | MCQ

CBSE CLASS 9 MATHEMATICS / MCQ | Multiple Choice Questions / Areas of Parallelograms and Triangles
Chapter 9

1. Area of a parallelogram is the ————- of its base and the corresponding altitude.

A. Sum
B. Product
C. Difference

2. Area of a triangle is ——– the product of its base and the corresponding altitude.

A. Half
B. Quarter
C. One third

3. A median of a triangle divides it into ———– triangles of equal areas.

A. 1
B. 2
C. 3

4. Two —————- figures have equal areas but the converse need not be true.

A. Similar
B. Congruent
C. Equal

5. Parallelograms on the same base and between the same parallels are ——- in area.

A. Half
B. One third
C. Equal

6. Two triangles on the same base and between the same parallels are ——– inarea.

A. Half
B. One third
C. Equal

7. In a parallelogram diagonals divide the parallelogram into ———- equaltriangles.

A. 2
B. 4
C. 6

8. Two parallelograms ABCD and PQRS are on the same base and between thesame parallels. Given ar( PQRS) = 20 sq. cm, then ar (ABCD) is ——– sq.cm.

A. 20
B. 40
C. 60

9. If a parallelogram and a triangle are on the same base and between same parallel, then the ratio of areas of parallelogram to the area of triangle is——

A. 1: 1
B. 2:1
C. 1: 2

10. The figure obtained by joining the mid points of the adjacent sides of a rectangle of sides 10 cm and 5 cm is ————-

A. A rectangle of area 25 sq. cm
B. A rhombus of area 25 sq. cm
C. A trapezium of area 25 sq. cm

11. If two parallelograms are on the same base and between same parallel  then the ratio of their areas is ———

A. 1: 1
B. 1: 2
C. 2: 1

12. The area of a triangle is 32 sq. cm. If its base is 4 cm, the corresponding altitude is ————

A. 32 sq. cm
B. 16 sq. cm
C. 8 sq. cm

13. The base and corresponding altitude of a parallelogram are 9 cm and 4 cm respectively then its area is ————

A. 36 sq. cm
B. 18 sq. cm
C. 9 sq. cm

14. If E, F, G and H are respectively the mid points of the sides of a parallelogram ABCD, then ar (EFGH) = ————

A. ar (ABCD)
B. ½ ar (ABCD)
C. ¼ ar(ABCD)

15. In a triangle ABC, E is the midpoint of median AD, then ar(BED) = ————

A. ½ ar (ABC)
B. ¼ ar(ABC)
C. ar (ABC)

ANSWERS:

1. Product
2. Half
3. 2
4. Congruent
5. Equal
6. Equal
7. 4
8. 20 sq. cm
9. 2: 1
10. A rhombus of area 25 sq. cm
11. 1: 1
12. 16 cm
13. 36 sq. cm
14. ½ ar(ABCD)
15. ¼ ar(ABC)