Penjelasan dengan langkah-langkah:
37.
a.
Keliling balok
= 12(p + l + t)
= 12(6 + 4 + 2)
= 12 × 12
= 144 m
b.
= Keliling ÷ panjang batang pipa
= 144 ÷ 6
= 24 pipa
c.
= Banyak pipa × harga
= 24 × 250.000
= Rp 6.000.000,00
————————————————
38. = [tex] {27}^{x - 1} = 729[/tex]
= [tex] {27}^{3 - 1} = 729[/tex]
= [tex] {27}^{2} = 729[/tex]
39.
= Keliling ÷ 4 segitiga sama sisi
= 100 ÷ 4
= 25 cm
40.
maaf no 40. tidak ada jari jari dan tinggi bangun ruangnya
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Penjelasan dengan langkah-langkah:
37.
a.
Keliling balok
= 12(p + l + t)
= 12(6 + 4 + 2)
= 12 × 12
= 144 m
b.
= Keliling ÷ panjang batang pipa
= 144 ÷ 6
= 24 pipa
c.
= Banyak pipa × harga
= 24 × 250.000
= Rp 6.000.000,00
————————————————
38. = [tex] {27}^{x - 1} = 729[/tex]
= [tex] {27}^{3 - 1} = 729[/tex]
= [tex] {27}^{2} = 729[/tex]
————————————————
39.
= Keliling ÷ 4 segitiga sama sisi
= 100 ÷ 4
= 25 cm
————————————————
40.
maaf no 40. tidak ada jari jari dan tinggi bangun ruangnya