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2014-01-21T21:34:33+01:00
Exercice 3:
1ere tour : h= SB+BD
tan(25°)=SB/CD
SB=tan(25°)*CD
SB≈21m

h=21+1.50
h=22.50m

2eme tour: h=SB+BD
tan(18°)=BD/AB
AB=9.23m

tan(40°)=SB/AB
SB=7.75m

h=10.75m

Exercice5:
HV=VC-HC

cos(70°)=CP/VC
VC=438.57m

HV=338.57m