Luar lingakaran
Jadi luasnya 9(phi)
K = 2 x π x r
6π = 2π x r
r = 6π
2π
= 3
Luas = π x r²
= 3,14 x 3 x 3
= 28,26
semoga membantu
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Luar lingakaran
Jadi luasnya 9(phi)
K = 2 x π x r
6π = 2π x r
r = 6π
2π
= 3
Luas = π x r²
= 3,14 x 3 x 3
= 28,26
semoga membantu