" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a=5
b=6
α=60derajat
ditanya : Fr
Jawab :
Fr=√a²+b²+2.a.b.Cos α
=5²+6²=2.5.6.Cos 60derajat
=25+36+60.1/2
=25+36+30
=91