Jawaban:
16. D
17. C
18. B
19. A
Penjelasan dengan langkah-langkah:
16. GSPL =V25^2 - (15-8)^2 =V625-49=V576 = 24
17. MN = V40^2 + (13-4)^2 =V1600+81 = 41
18. AB = V10^2 - (4+2)^2 =V100-36 = 8
19. panjang sabuk = (2×35) + (phi x 2r)
= 70 + 62,8 = 132.8
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Jawaban:
16. D
17. C
18. B
19. A
Penjelasan dengan langkah-langkah:
16. GSPL =V25^2 - (15-8)^2 =V625-49=V576 = 24
17. MN = V40^2 + (13-4)^2 =V1600+81 = 41
18. AB = V10^2 - (4+2)^2 =V100-36 = 8
19. panjang sabuk = (2×35) + (phi x 2r)
= 70 + 62,8 = 132.8