Answer :
We know, the sum of complementary angles are 90
So, A + B = 90
42 + B = 90
B = 90 - 42
B = 48
In short, Your Answer would be 48
Hope this helps!
So, A + B = 90
42 + B = 90
B = 90 - 42
B = 48
In short, Your Answer would be 48
Hope this helps!