
Luas Permukaan Bentuk Geometri 3 Dimensi
Presentation
•
Mathematics
•
8th Grade
•
Hard
NORLINDA Moe
Used 7+ times
FREE Resource
9 Slides • 12 Questions
1
Luas Permukaan Bentuk Geometri 3 Dimensi
2
Multiple Choice
Apakah unit yang digunakan untuk luas?
cm
cm1
cm2
cm3
3
Multiple Choice
Rumus bagi luas segi empat ialah...
Luas = ( 2 x panjang ) + ( 2 x lebar )
Luas = panjang x lebar
Luas = panjang + lebar
Luas = ( 2 + panjang ) + ( 2 + lebar )
4
Multiple Choice
Segi empat sama ini mempunyai sisi yang berukuran 8 cm. Berapakah luas permukaan bentuk tersebut?
16 cm2
32 cm2
64 cm2
8 cm2
5
6
7
8
9
Multiple Choice
Nyatakan luas permukaan bagi bentangan bentuk geometri berikut
πj2+πjs
( 2 x luas segi tiga ) + ( 3 x luas segi empat )
Luas tapak + ( 4 x luas segi tiga )
4πj2
10
Multiple Select
Bentangan diberi adalah bentuk piramid. Nyatakan bagaimana untuk mendapatkan luas piramid. (Pilih 2 jawapan)
Luas tapak + ( 4 x luas segi tiga )
(panjang x lebar) + 4 (1/2 x tapak x tinggi )
2πj2+2πjt
4πj2
11
Multiple Choice
Nyatakan rumus bagi kon
(2πj2)+(πjt)
(πj2)+(πjs)
(2πj2)+(2πjt)
(2πj2)+(2πjs)
12
Multiple Choice
Nyatakan rumus luas permukaan bagi sebuah kubus
(4×p×l)
(6×p×l)
(p×l)
13
Multiple Choice
Luas permukaan sfera
πj2
34πj3
43πj2
4πj2
14
Multiple Choice
Luas permukaan silinder
2πr2+2πrh
πr2+h
πr2h
2πr+2h
15
16
17
18
Multiple Choice
Luas permukaan bagi kubus ini ialah
54
64
74
96
19
Multiple Choice
Silinder berikut memiliki jejari 14 cm, dan tinggi 20 cm. tentukan luas permukaannya.
2992 cm2
9922 cm2
9292 cm2
2929 cm2
20
Multiple Choice
Cari luas permukaan kon yang jejarinya 7cm dan tingginya 10cm. (π=722)
374
220
70
21
Luas Permukaan Bentuk Geometri 3 Dimensi
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