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480 = luas alas x 10 akar 3
480 .10 akar3/100x 3 = luas alas
16 akar 3 = luas alas
luas alasnya sama sisi jd = 1/2 alas x tinggi
16 akar 3 = 1/2 2 alas
16 aka 3 = alas segitiga
selimut = p x l
= 10 akar 3 x 16 akar 3
= 160 x 3
= 480
= 48³