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**DAV Class 7 Chapter 9 Worksheet 2 Congruent Triangles Question and Answer**

Get below DAV Class 7 Chapter 9 Worksheet 2 Congruent Triangles Question and Answer.

**1.** **In ∆ ABC and ∆ DEF, AB = DE and BC = EF (Fig. 9.19). **

**Answer 1:**

**What additional information is required to make the two triangles congruent by SAS congruence condition?**

**2. ∆ABC is isosceles with AB = AC (Fig. 9.20).**

**Line segment AD bisects ∠A and meets the base BC at D. Find the third pair of corresponding parts which make ∆ADB = ∆ADC by SAS congruence condition. Is it true to say that BD = CD? Why? **

**Answer 2:**

**3. In Fig. 9.21, AB II DC and AB = DC. **

**(i) Is ∠BAC = ∠DCA? Why? **

**(ii) Is ∆ABC = ∆CDA by SAS congruence condition? **

**(iii) State the three facts you have used to answer (ii).**

**Answer 3:**

**4. In Fig. 9.22. which pairs of triangles are congruent by SAS congruence condition? If Congruent, write the congruence of the two triangles In symbolic form.**

**Answer 4:**

**5. In Fig. 9.23. AB = AD end ∠BAC = ∠DAC. **

**(i) Slate in symbolic form. the congruence of two triangles ABC and ADC is true. Also slate the congruence condition used. **

**(ii) Complete each of the following, so as to make it true:(a) ∠ABC **

**(b) ∠ACD = **

**(c) Line segment AC bisects _________ and __________.**

**Answer 5:**

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- 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
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- Chapter 13 Symmetry | Class-7 DAV Secondary Mathematics
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