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htiffany0225
13.06.2021 •
Mathematics
Con
Triangle ABC with vertices A(0,0),
B(0,4), and C(3,0) is dilated to
form triangle ADE. What is the
E if D has coordinates
(0,6)?
106
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Ответ:
The coordinates of E are
.
Step-by-step explanation:
The triangle ABC represents a right triangle as both sides AB and AC are orthogonal to each other. The side AB is in the y axis, whereas the side AC is in the x axis. The triangle is dilated with respect to the origin, in which point A is set.
Vectorially speaking, dilation is defined by the following operation:
Where:
By applying this operation, point B becomes point D:
Lastly, we transform point C into point E by applying the same operation:
,
and ![k = \frac{3}{2}](/tpl/images/1372/9658/7fa86.png)
The coordinates of E are
.
Ответ:
AC=23.
BA=55.2