दो कोटिपूरक कोणो का अनुपात 2:3 हैं तो वह कोण होगे ?
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Answer:
first angle=2x°, 2ndangle=3x°
2x°+3x°=90°
5x°=90 (angles are complementary)
x=18°
36°and,54° are required angle
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