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State, Whether the Pairs of Triangles Given in the Following Figures Are Congruent Or Not: δ Abc in Which Ab = 2 Cm, Bc = 3.5 Cm and ∠C = 80° and δ Def in Which De = 2 Cm, Df = 3.5 Cm and ∠D = 80°. - Mathematics

Diagram

State, whether the pairs of triangles given in the following figures are congruent or not:

Δ ABC in which AB = 2 cm, BC = 3.5 cm and ∠C = 80° and Δ DEF in which DE = 2 cm, DF = 3.5 cm and ∠D = 80°.

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Solution

In Δ ABC, AB = 2 cm, BC = 3.5 cm and ∠C = 80° and in ∆ DEF, DE = 2 cm, DF = 3.5 cm and ∠D = 80°

From the figure, we see that two corresponding sides are equal but their included angles are not equal.
Hence, these are not congruent triangles

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APPEARS IN

Selina Concise Mathematics Class 7 ICSE
Chapter 19 Congruency: Congruent Triangles
Exercise 19 | Q 1.7
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