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प्रश्न
In the given figure.
∠COA is a/an ______ angle
उत्तर
In the given figure.
∠COA is a/an acute angle
Explanation:
Since, ∠COA = ∠COB + ∠BOA
= 20° + 30°
= 50°
Because ∠COA = 50° < 90°
So, ∠COA is an acute angle.
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