Jawaban:
17. C. 7.560 cm³
18. A. 3.850 cm³
19. D. 2.260,8 cm³
20. C. 27
21. D. 6
Penjelasan dengan langkah-langkah:
17. V Prisma = Luas alas × tinggi
V = (1/2 × 18 × 20) × 42
V = 180 × 42
V = 7.560 cm³ (C)
18. V tabung = πr²t
V = 22/7 × 7² × 25
V = 3.850 cm³ (A)
19. V tabung = πr²t
V = 3,14 × 6² × 20
V = 2.260,8 cm³ (D)
20. 5+8+7+9+6+7+9+7+8+6+7+9+8+6+5+7+8+9+8+7+6 7+5+8+7+9+5 = 27 (C)
21. 6 (D)
Semoga membantu, kalau bisa jadikan jawaban terbaik :)
17. V = (1/2 × a × t) × tinggi prisma
= (1/2 × 18 × 20) × 42
= 180 × 42
= 7.560 (C)
18. V = πr²t
= 22/7 × 7 × 7 × 25
= 22 × 7 × 25
= 3.850 (A).
19. V = πr²t
= 3,14 × 6 × 6 × 20
= 2.260,8 (D)
20. C
21. D
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Jawaban:
17. C. 7.560 cm³
18. A. 3.850 cm³
19. D. 2.260,8 cm³
20. C. 27
21. D. 6
Penjelasan dengan langkah-langkah:
17. V Prisma = Luas alas × tinggi
V = (1/2 × 18 × 20) × 42
V = 180 × 42
V = 7.560 cm³ (C)
18. V tabung = πr²t
V = 22/7 × 7² × 25
V = 3.850 cm³ (A)
19. V tabung = πr²t
V = 3,14 × 6² × 20
V = 2.260,8 cm³ (D)
20. 5+8+7+9+6+7+9+7+8+6+7+9+8+6+5+7+8+9+8+7+6 7+5+8+7+9+5 = 27 (C)
21. 6 (D)
Semoga membantu, kalau bisa jadikan jawaban terbaik :)
Jawaban:
17. V = (1/2 × a × t) × tinggi prisma
= (1/2 × 18 × 20) × 42
= 180 × 42
= 7.560 (C)
18. V = πr²t
= 22/7 × 7 × 7 × 25
= 22 × 7 × 25
= 3.850 (A).
19. V = πr²t
= 3,14 × 6 × 6 × 20
= 2.260,8 (D)
20. C
21. D