Number of favourable outcomes i.e. ‘a card of diamond’ is 13 out of 52 cards. Therefore, probability of getting ‘a card of diamond’ Number of favorable outcomes P(D) = Total number of possible outcome = 13/52 = 1/4 (v) a king or a queen. Total number of king is 4 out of 52 cards. Total number of queen is 4 out of 52 cards
<1 and <2 are complementary : given <1+<2=90 : definition of complementary <1 congruent <3 : given <2 congruent <4 : given <3 congruent <4 : transitive property