Chapter 11 | Perimeter and Area | Class-7 DAV Secondary Mathematics

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Chapter 11 Worksheet 3 | Perimeter and Area | Class-7 DAV Secondary Mathematics

Unit 11 Worksheet 3 || Perimeter and Area

1. One side of a parallelogram is 14 cm. Its distance from the opposite side is 16.5 cm. Find the area of parallelogram.

Answer 1:

2. A parallelogram has a base of 135 dm. The corresponding height is 6 dm. Find the area of parallelogram in square metres.

Answer 2:

3. The altitude of a parallelogram corresponding to a base of length 15 cm is 18 cm. Find the area of parallelogram.

Answer 3:

4. The height of a parallelogram is 3 dm. If the area is 240 cm2, find the base of parallelogram.

Answer 4:

5. Find the area of rhombus whose one side is 8 cm and altitude is 0.6 dm.

Answer 5:

6. Find the altitude of a rhombus whose area is 320 m2 and side is 5 m.

Answer 6:

7. The height of a parallelogram is one-third of its base. If the area is 108 cm2, find the base and height.

Answer 7:

8. The area of a rhombus is 119 cm2 and its perimeter is 56 cm. Find its altitude.

Answer 8:

9. One side and corresponding altitude of a parallelogram are 50 cm and 8 cm. If the other altitude is 4 cm, find the length of other pair of parallel sides.

Answer 9:

10. Area of a parallelogram is 625 m2. Find the length of sides of parallelogram if altitudes corresponding to sides are 20 m and 25 m.

Answer 10:

• Chapter 1 Rational Numbers | Class-7 DAV Secondary Mathematics
• Chapter 2 Operations on Rational Numbers | Class-7 DAV Secondary Mathematics
• Chapter 3 Rational Numbers as Decimals | Class-7 DAV Secondary Mathematics
• Chapter 4 Exponents and Powers | Class-7 DAV Secondary Mathematics
• Chapter 5 Application of Percentage | Class-7 DAV Secondary Mathematics
• Chapter 6 Algebraic Expressions | Class-7 DAV Secondary Mathematics
• Chapter 7 Linear Equations in One Variable | Class-7 DAV Secondary Mathematics
• Chapter 8 Triangle and Its Properties | Class-7 DAV Secondary Mathematics
• Chapter 9 Congruent Triangles | Class-7 DAV Secondary Mathematics
• Chapter 10 Construction of Triangles | Class-7 DAV Secondary Mathematics
• Chapter 11 Perimeter and Area | Class-7 DAV Secondary Mathematics
• Chapter 12 Data Handling | Class-7 DAV Secondary Mathematics
• Chapter 13 Symmetry | Class-7 DAV Secondary Mathematics
• Chapter 14 Visualising Solids | Class-7 DAV Secondary Mathematics