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Verified answer
L = π.r.s= 3,14 . 5 . √89
= 15,7 √89 cm2
terima kasih
jari jari kerucut = d : 2 = 10 :2 = 5 cm
tinggi kerucut = 8 cm
π (phi ) =3,14
Dit = luas selimut kerucut
Jwb= a)s²=r² + t²
s²=5² + 8²
s²=25 + 64
s²= 89
s =√89
s= cm
luas selimut kerucut = π x r x s
= 3,14 x 5 x √89
=
itung aja akar 89 brp
semoga mmbantu ^^