5 satuan
Penjelasan dengan langkah-langkah:
Diketahui:
P(1, 2)
Q(4, 6)
Ditanya:
|PQ| = ...?
Penyelesaian:
[tex]\begin{aligned} \displaystyle\sf~ |PQ| & = \displaystyle\sf~ \sqrt{ {(4 - 1)}^{2} + {(6 - 2)}^{2} } \\& = \displaystyle\sf~ \sqrt{ {3}^{2} + {4}^{2} } \\ & = \displaystyle\sf~ \sqrt{9 + 16} \\& = \displaystyle\sf~ \sqrt{25} \\ & = \displaystyle\sf~5~satuan \end{aligned}[/tex]
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5 satuan
Penjelasan dengan langkah-langkah:
Diketahui:
P(1, 2)
Q(4, 6)
Ditanya:
|PQ| = ...?
Penyelesaian:
[tex]\begin{aligned} \displaystyle\sf~ |PQ| & = \displaystyle\sf~ \sqrt{ {(4 - 1)}^{2} + {(6 - 2)}^{2} } \\& = \displaystyle\sf~ \sqrt{ {3}^{2} + {4}^{2} } \\ & = \displaystyle\sf~ \sqrt{9 + 16} \\& = \displaystyle\sf~ \sqrt{25} \\ & = \displaystyle\sf~5~satuan \end{aligned}[/tex]