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=3,14*6(10+6)
=3,14*6*16
=3,14*96
=301,44
a)la = phi r^2
=3,14*6^2
=3,14*36
=113,04
b)ls =phi*r*s
=3,14*6*10
=3,14*60
=188,4
= √100-36
=√64
= 8 cm
La = π x r²
= 3,14 x 6²
= 3,14 x 36
= 113,04 cm²
Ls = π x r x s
= 3,14 x 6 x 8
= 150,72 cm²
Lp = La + Ls
= 113,04 + 150,72
= 263,76 cm²