
Kerucut
Presentation
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Khoirul Anam
Used 4+ times
FREE Resource
5 Slides • 6 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
4
Menentukan Volume Kerucut
Volume Kerucut adalah ⅓ bagian dari volume tabung dengan jari-jari dan tinggi yang sama atau dapat dirumuskan sebagai berikut:
V = ⅓ Lalas x t
= ⅓ πr2 x t
by Khoirul Anam
5
Multiple Choice
Berapakah banyak sisi pada kerucut ?
1
2
3
4
6
Open Ended
Gambarlah jaring-jaring kerucut?
7
Multiple Choice
L =π r s
Merupakan rumus dari ...?
Luas permukaan kerucut
Luas selimut kerucut
Volume kerucut
isi kerucut
8
Multiple Choice
s = r2 +t2
Merupakan rumus dari ... kerucut ?
sisi datar
sisi miring
sisi alas
sisi tegak
9
Multiple Choice
10
Open Ended
tulislah rumus volume Kerucut ?
11

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Kerucut
By Khoirul Anam
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