tolong bantu dong terimakasih
Jawaban:
Nomor 7
Diagonal sisi
= 15 + √2
= 15√2
Diagonal Ruang
= 15 + √3
= 15√3
Nomor 8
dr² = p² + l² + d²
dr² = 4² + 3² + 12²
dr² = 169
dr = √169
dr = 13 Cm
rumus:
kubus
- rusuk = a
- ds = a [tex] \sqrt{2} [/tex]
- dr = a [tex] \sqrt{3} [/tex]
,
balok
- dr = [tex] \sqrt{p² + l² + t²} [/tex]
,
______________
jawaban:
✨nomor 7
a) r = 15 cm
ds = 15 [tex] \sqrt{2} [/tex] cm ✔️
b) dr = 15 [tex] \sqrt{3} [/tex] cm ✔️
,
✨nomor 8
dr = [tex] \sqrt{p² + l² + t²} [/tex]
dr = [tex] \sqrt{4² + 3² + 12²} [/tex]
dr = [tex] \sqrt{16+9+144} [/tex]
dr = [tex] \sqrt{169} [/tex]
dr = 13 cm ✔️
______________
semangat belajar.....
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