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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

State whether the two triangles are congruent or not. Justify your answer

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प्रश्न

State whether the two triangles are congruent or not. Justify your answer

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उत्तर

Let the given triangles be ∆ABC and ∆CDE

Here `bar("AC") = bar("CE")`  ...(given)

∠BAC = ∠DEC  ...(given)

∠ACB = ∠DCE  ...(vertically opposite angles)

Two angles and the included side are equal.

Therefore by ASA criterion ∆ABC ≅ ∆CDE.

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अध्याय 4: Geometry - Exercise 4.2 [पृष्ठ ८४]

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सामाचीर कलवी Mathematics - Term 2 [English] Class 7 TN Board
अध्याय 4 Geometry
Exercise 4.2 | Q 4. (iii) | पृष्ठ ८४

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