Answer:
7 sin77=0.9455
8 cos 19=0.9455
9 tan 65=2.146
10 0.7
11 1.2
12 0.7
14 h=8
o=y
sin 64=a/h
sin 64 y/8
0.8988x8
7.1904=y
h=8
a=x
cos 64=a/h
0.4384=x/8
0.4384x8=x
3.5072=x
13 h=10
o=x
sin 36 =o/h
sin 36=x/10
0.5878x10=x
5.878=x
cos 36 =a/h
cos 36=y/10
0.8090x10
y=8.090
15 o=x
a=8
tan 48=x/8
tan 48x8 =x
1.111x8=x
8.888=x
h=y
cos 48=a/h
0.6691=8/y
0.6691y=8
y=8/0.6691
y=11.9564
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