Class 7 Maths Chapter 9 Exercise-9.1 Solutions (New 2023 Syllabus)
Here you will find solutions to exercise 9.1
1. Find the area of the following parallelogram:
2. Find the area of each of the following triangles:
3. Find the missing values:
4. Find the missing values:
5. PQRS is a parallelogram. QM is the height from Q to SR and QN is the height from Q to PS. If SR = 12 cm and QM = 7.6 cm. Find : (a) the area of the parallelogram PQRS (b) QN, if PS = 8 cm.
6. DL and BM are the heights on side AB and AD respectively of parallelogram ABCD. If the area of the parallelogram is 1470 cm2 , AB = 35 cm and AD = 49 cm, find the length of BM and DL.
7. ∆ABC is right-angled at A. AD is perpendicular to BC. If AB = 5cm, BC = 13 cm and AC = 12 cm. Find the area of ∆ABC. Also, find the length of AD.
8. ∆ABC is isosceles with AB = AC = 7.5 cm and BC = 9 cm. The height AD from A to BC, is 6 cm. Find the area of ∆ABC. What will be the height from C to AB i.e. CE ?
