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i need work shown too .

The 3 inside angles of a triangle need to equal 180 degrees.

You are told two of the angles are 106 and 59.

To find the 3rd angle subtract the 2 known angles from 180:

180 - 106 - 59 = 15 degrees.

The one on the left side: 180 - 33 - 114 = 33

The one on the right: 180 - 90 - 73 = 17

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

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