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Presentation
•
Mathematics
•
9th Grade
•
Hard
sri mulyanah
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3 Slides • 0 Questions
1
Kerucut
By Khoirul Anam
2
unsur-unsur kerucut dan jaring-jaringnya
by Khoirul Anam
3
Menentukan luas selimut kerucut
by Khoirul Anam
selimut kerucut adalah bagian yang mengitari lingkaran kerucut dan berbentuk topi tanpa tutup bawah.
Luas selimut kerucut dirumuskan dengan:
L selimut kerucut = π r s
ket:
π = 3,14 atau 22/7
r = jari-jari lingkaran
s = sisi miring selimut kerucut
Luas permukaan kerucut :
Lpermukaan kerucut= πr (r + t )
dengan s = √r2+t2
π = 3,14 atau 22/7
r = jari-jari lingkaran
t = tinggi tabung
Kerucut
By Khoirul Anam
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