Suzanne lays the books end to end and finds that the board is the same length as 21 bucks. how many centimeters long is the board?

Step-by-step explanation:

Well first you would have to find the centimeter and the length of the board once you do that you would multiply 21×17(÷4)600000000.+21

And then you divide and you'll get your answer

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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