)
tanx = 3/10
x=16.7 B
2)
tan 64 = 173/x
x = 84.38 D
3)
tan21 = x/442
x= 169.67 B
4)
tanx = 16.2/48.3
x = 18.54 A
5)
tanx = 8/6.5
x = 50.91 C
6)
tan89 = 1149/x
x=20.06 A
7)
tanx = 21/12
x= 60.26 B
8) B
9)
tanx = 25/63
x = 21.64 C
10)
tanx = 60/15
x= 75.96 D