Angles of a triangle are in the ratio 2:4:3 The smallest angle of the triangle is (a) 20^circ (b) 40^circ (c) 60^circ (d) 80^circ what is Acap B 2,4,6,8 4,6 2,8 varnothing

Let's correct the second part of the question regarding the intersection of sets \( A \) and \( B \).<br /><br />Given:<br />\[ A = \{2, 4, 6, 8\} \]<br />\[ B = \{4, 6\} \]<br /><br />The intersection \( A \cap B \) consists of elements that are in both sets \( A \) and \( B \).<br /><br />So, the correct answer is:<br />\[ A \cap B = \{4, 6\} \]<br /><br />Therefore, the correct option is:<br />(b) \(\{4, 6\}\)