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muminat
3 years ago
11

Triangle FUN, with vertices F(−2, 4), U(0, −5), and N(−3, −8) was dilated to form triangle PET with vertices P(−1.6, 3.2), E(0,

−4), and T(−2.4, −6.4).Which scale factor was used? A. 1.25
B. −1

C. 2/3

D. 0.8


Suppose these statements about two triangles are
true:∠G=∠S,∠R=∠,and ∠M=∠N. Which statement is correct? Select all that apply.


A.The sides are congruent.


B.The sides are proportional.


C. ΔGRM is similar to ΔNST

D. ΔMGR is similar to ΔNST
Mathematics
1 answer:
NARA [144]3 years ago
7 0

Answer:

For first question answer is D.0.8

For second question answer is D.ΔMGR is similar to ΔNST.

Step-by-step explanation:

Here triangle FUN is dilated to get triangle PET

So, let's take F and P.

F(-2,4) and P(-1.6, 3.2)

Let's find the scale factor by dividing the coordinates.

Scale factor =\frac{-1.6}{-2} =0.8

Using y coordinates of the same points

Scale factor =\frac{3.2}{4} =0.8

So, scale factor is 0.8

Now, for the second problem

<G= <S

<R= <T

<M=<N

So, the corresponding angles are congruent when two triangles similar.

So, we can say ΔMGR is similar to ΔNST.

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