Kak tolong carinya yg difoto itu?
Matematika
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Pertanyaan
Kak tolong carinya yg difoto itu?
2 Jawaban
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1. Jawaban ArdiIleven11
Persegi panjang ABCD
Diketahui :
AC = 26cm
AB = 24cm
[tex]bc = \sqrt{ {ac}^{2} - {ab}^{2} } \\ = > \sqrt{ {26}^{2} - {24}^{2} } \\ = > \sqrt{676 - 576} \\ bc = \sqrt{100} \\ bc = 10cm[/tex]
keliling = ABx2 + BCx2
K = 24x2 + 10x2
K = 48 + 20 = 68 cm
semoga membantu
jawaban terbaik diharapkan -
2. Jawaban fathurrahman199
Diketahui : ABCD persegi panjang
AB = 24 cm
AC = 26 cm
Ditanya : Keliling Persegi panjang ABCD = ?
BC = ?
Jawab :
[tex]BC = \sqrt{AC^{2}-AB^{2}} \\ BC = \sqrt{26^{2}-24^{2}} \\ BC = \sqrt{676-576} \\ BC = \sqrt{100} \\ BC = 10cm [/tex]
Keliling ABCD = 2 × Panjang + 2 × Lebar
Keliling ABCD = 2 × AB + 2 × BC
Keliling ABCD = 2 × 24 + 2 × 10
Keliling ABCD = 48 + 20
Keliling ABCD = 68 cm
Jadi, Keliling ABCD adalah 68 cm