Jika diketahui panjang MN = 26 cm, KL = 24 cm dan MK = 14 cm, maka panjang NL adalah... cm. a. 12 b. 10 c. 8 d. 4
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Jawaban:
D. 4
Penjelasan dengan langkah-langkah:
[tex](mk - nl) = \sqrt{(mn {)}^{2} - (kl {)}^{2} } \\ = \sqrt{2 {6}^{2} - 2 {4}^{2} } \\ = \sqrt{676 - 576} \\ = \sqrt{100} \\ = 10 \\ nl = mk - 10 \\ = 14 - 10 \\ = 4[/tex]