NCERT Mathematics Class 9 Exemplar Ch 9 Areas of Parallelograms and Triangles Part 4 (For CBSE, ICSE, IAS, NET, NRA 2022)

Get top class preparation for NCO Class-9 right from your home: fully solved questions with step-by-step explanation- practice your way to success.

Exercise 9.2

Q. 1. ABCD is a parallelogram and X is the mid-point of AB. If are , then ar

Answer: False, since ar

Q. 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 cm2.

Answer: True, , ar

Q. 3. PQRS is a parallelogram whose area is 180 cm2 and A is any point on the diagonal QS. The area of ∆

Answer: False, because area of and area of area of

Q. 4. ABC and BDE are two equilateral triangles such that D is the mid-point of BC. Then ar

Answer: True, ar BDE =

ar ABC

Q. 5. In Fig. 9.8, ABCD and EFGD are two parallelograms and G is the mid-point of CD. Then ar

ABCD & EFGD Aretwo Parallelograms and G

Answer: False, because ar