Answer:
here all answer is height
first one
sin70=p/12
p=sin70×12=11.276m
Explanation:
second one.
cos 85=b/h
h=50/cos85=573.69ft
third one
sin 73=P/h
p=sin73×155=148.28m
tan 8=p/b
p=tan8×1000=140.54m
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