दोन पूरक कोन 11 : 7 च्या प्रमाणात असल्यास, लहान कोन शोधा. A. 35° B. ५५° C. 65° D. 25°

Complementary angles add up to 90°. In the ratio 11 : 7 they are 90 × 11/18 = 55° and 90 × 7/18 = 35°. The smaller angle is 35°.