SIMILAR TRIANGLES Solve for x.
1 answer:
Answer:
<h2>x = 12</h2>Step-by-step explanation:
There are several steps involved to solve this. I'll put each step separate so you can easily understand.
<h3>Step 1: Set up a proportion</h3>7x = 7 x 12
7x = 84
x = 12
<h3>Step 3: Check</h3>7 x 12 = 7 x 12
84 = 84 ✔
<h3>Step 4: Answer</h3>x = 12
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Answer:
From the given graph:
the coordinates of triangle RST are;
R= (2, 1),
S= (2,-2),
T= (-1,-2)
Given: Scale factor = and center of dilation at (2,2)
The mapping rule for the dilation applied to the triangle as shown below:
; where k represents the scale factor i.e,
or we can write it as ;
For R=(2, 1)
The image R' =
⇒ R'=
Similarly for S= (2, -2) and T= (-1,-2)
therefore, the image of S'=
⇒ S'=
The image of T' =
⇒T' =
Now, labelling the image of triangle R'S'T' as shown in the figure given below
