Sacha incorrectly claimed that the surface area of the cylinder is about 621.7 in to the power of 2. Use a formula to find the surface area of the cylinder. Use pie (3.14). What was her likely error?

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:

step-by-step explanation:

40 x 50 = 2000

step-by-step explanation: