Are you looking for DAV Maths Solutions for class 7 then you are in right place, we have discussed the solution of the Secondary Mathematics book which is followed in all DAV School. Solutions are given below with proper Explanation please bookmark our website for further updates!! All the Best !!
Chapter 13 Worksheet 2 | Symmetry | Class-7 DAV Secondary Mathematics
Unit 13 Worksheet 2 || Symmetry
1. Find the line of symmetry of any three line segments on different sheets of paper.
Answer 1.
2. Check If the dotted lines are the line of symmetry of the given line segments.
Answer 2:
3. Lines I and m are the lines of symmetry of the line segments XY and YZ respectively. If XA = 4 cm and YZ = 6 cm, find AY, YB, XZ.
Answer 3:
4. Find the line of symmetry of the following angles on different sheets of paper.
(a) 60° (b) 150° (C) 45°
Answer 4:
5. If dotted lines represent the lines of symmetry of the given angles, find x in each.
Answer 5:
6. The dotted line represents the line of symmetry of the Isosceles &ABC, where AB = AC. If LABC = 40° and OB = 4.5 cm, find—
(a) angle BAO (b) Measure of OC. Give reasons.
Answer 6:
7. Construct an equilateral triangle ABC. Find all its lines of symmetry.
Answer 7:
8. will a scalene triangle have any line of symmetry?
Answer 8: No, the Scalene triangle has no line of symmetry.
9. Under what circumstances will a right angled triangle have a line of symmetry? Give reasons.
Answer 9:
10. Can a right angled triangle have more than one line of symmetry under any circumstances?
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
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