nomor 5 question bantu
Jawaban:
c. s = 14m dan K = 56m
Penjelasan dengan langkah-langkah:
3x-4 = 2x+2
3x-2x = 2+4
x=6
sisi belah ketupat = 3x-4
= 3(6)-4
= 14m
keliling = 14 x 4
= 56m
Belah ketupat memiliki sisi sama panjang
- Nilai x
3x - 4 = 2x + 2 cm
3x - 2x = 2 + 4 cm
x = 6 cm
- Panjang sisi
s = 3x - 4 cm
s = 3(6) - 4 cm
s = 18 - 4 cm
s = 14 cm
- Keliling
= 4 × s
= 4 × 14 cm
= 56 cm
Opsi 3
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