NCERT Mathematics Class 9 Exemplar Ch 9 Areas of Parallelograms and Triangles Part 2

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4. In Fig. 9.4, the area of parallelogram ABCD is:

(A)

(B)

(C)

(D)

the area of parallelogram ABCD

The Area of Parallelogram ABCD

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Answer: C

5. In Fig. 9.5, if parallelogram ABCD and rectangle ABEF are of equal area, then:

parallelogram ABCD and rectangle ABEF

Parallelogram ABCD and Rectangle ABEF

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(A) Perimeter of Perimeter of ABEM

(B) Perimeter of Perimeter of ABEM

(C) Perimeter of Perimeter of ABEM

(D) Perimeter of (Perimeter of ABEM)

Answer: C

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

(A)

(B)

(C)

(D)

Answer: A

7. Two parallelograms are on equal bases and between the same parallels. The ratio of their areas is

(A)

(B)

(C)

(D)

Answer: B

8. ABCD is a quadrilateral whose diagonal AC divides it into two parts, equal in area, then ABCD

(A) Is a rectangle

(B) Is always a rhombus

(C) Is a parallelogram

(D) Need not be any of (A), (B) or (C)

Answer: D