Quadrilateral KMPT is dilated by a scale factor of 3 4 to create quadrilateral K ' M ' P ' T '. The perimeter of quadrilateral KMPT is x units. What is the perimeter in units of quadrilateral K ' M ' P ' T '?

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Ответ:

giraffesaur44

26.07.2020

Mathematics

12 units

Step-by-step explanation:

(-4 , 10) ; $x_{1} = -4$ and $y_{1} = 10$

(8 ,10) ; $x_{2} = 8$ and $y_{2}= 10$

Distance = $\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}$

$= \sqrt{(8-[-4])^{2}+(10-10)^{2}}\\\\=\sqrt{(8+4)^{2}+0}\\\\= \sqrt{12^{2}}\\\\= 12 units$

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