11. solve for x and y.
8yº
(6x - 16)

y=11, x=22

Step-by-step explanation:

92+8y=180

8y=88

y=11 (dividing b.s by 8)

Now

8y+6x-16=180

64+6x-16=180

48+6x=180

6x=180-48

6x=132

x=22 (dividing bs by 6)

given that triangle abc is transformed two times to get triangle

a"b"c"

first abc is transformed in to a'b'c' as follows:

the coordinates of a are (1,-1) and transformed into a'(-1,1)

similarly b (4,-2) became b'(-4,2) and

c(7,-2) became c'(-7,2)

i.e. (x,y) becomes (-x,-y)

this is nothing but reflection about a point here origin.

thus first transformation is reflection on the origin.

next is exactly shifting 3 units down

source:

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step-by-step explanation:

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