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In the given figure, ∠CAB = 25°, find ∠BDC, ∠DBA and ∠COB - Mathematics

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प्रश्न

In the given figure, ∠CAB = 25°, find ∠BDC, ∠DBA and ∠COB

योग

उत्तर

In ΔACP,

∠ACP = 180° – (25° + 90°)

= 180° – 115°

= 65°

∠CBA = ∠CAB = 25° ...[Both the angles are standing in the same base]

∠DBA = 65° ...[∠DBA and ∠BCA standing in the same base]

∠COB = 50°

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अध्याय 4: Geometry - Exercise 4.3 [पृष्ठ १७०]

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सामाचीर कलवी Mathematics [English] Class 9 TN Board
अध्याय 4 Geometry
Exercise 4.3 | Q 8 | पृष्ठ १७०
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