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s2 = r2 + t2
= 7 . 7 + 24 . 24
= 49 + 576
= 625
s = 25cm
L permukaan = (phi . 7 .7) + (phi . 7. 25)
= 49phi + 175phi
= 224phi
JAWABANNYA B. 224phi
tolong jadikan jawaban terbaik ya