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= 22/7×7(7+25)
= 22(32)
= 704 cm²
s^2 = 7^2(jari2kerucut) + 24^2
s = 25
luper = 22/7.7.25 = 22x25 = 550
luas alas = 22/7.7.7 = 22x7 = 154
550+154 = 704cm2