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d=20 , r=10
t=24
--Yang harus dicari :
garis pelukis?
Luas?
-Garis pelukis = +
Jadi , + = 676
= 26
-Luas = r(r+s)
Jadi, 3,14 × 10 (10+26)
=31,4(36)
=1130,4
Jadi, 1130,4×200 = 226080