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t = 24 cm
π = 22/7
L.selimut...?
L.selimut= π.r.s
Karena s nya belum ada maka dicari dulu
s² = r² + t²
s² =7² + 24²
s² = 49 + 576
s. = √625 =25 cm
L.selimut
= π.r.s
= 22/7 x 7 x 25
= 550 cm²