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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ९

Consider the given pairs of triangles and say whether each pair is that of congruent triangles. If the triangles are congruent, say ‘how’; if they are not congruent say ‘why’ and also say if a small

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प्रश्न

Consider the given pairs of triangles and say whether each pair is that of congruent triangles. If the triangles are congruent, say ‘how’; if they are not congruent say ‘why’ and also say if a small modification would make them congruent:

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उत्तर

In the given figure BD bisect AC

In ΔAOB and ΔOCD

OA = OC ...(Given)

∠AOB = ∠DOC ...(vertically opposite angles)

∠B = ∠D ...(Given)

By ASA congruency

ΔAOB ≅ ΔOCD

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अध्याय 4: Geometry - Exercise 4.1 [पृष्ठ १४४]

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सामाचीर कलवी Mathematics [English] Class 9 TN Board
अध्याय 4 Geometry
Exercise 4.1 | Q 3. (iv) | पृष्ठ १४४

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