Answers

2015-05-07T16:12:21+05:30
(2/5) x ( 1/3) x 90
(90) x (2 /15)
6 x 2 = 12 
90 - 12 
78 degree 
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2015-05-07T16:43:44+05:30
= \frac{2}{5} * \frac{1}{3} * 90

= \frac{2}{5} * 30

= 12

The complement of 12 is 90 - 12 = 78 degrees
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