2.Π. 0. 5 .3+1. 3+Π.(0 .5) 2=8.50M2.
2
.2 .
π
. 0. 5 .3+
1. 3+
π
.(0 .5)
2
=8.50m
2
.
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2
.2 .
π
. 0. 5 .3+
1. 3+
π
.(0 .5)
2
=8.50m
2
.