Find the value of x in the given triangle if the measure of angle 2 is x + 82.
a) -12
b) -10
c) 9
d) 10

find the coordinates of the vertices of each image after the given pre-image is rotated 90° clockwise (270° counterclockwise) about the origin.
a) w'(-1, -3), x'(-4, -2), y'(-1, 3), z'(3, 0)
b) w'(-1, 0), x'(0, 3), y'(5, 0), z'(2, -4)
c) w'(1, 3), x'(4, 2), y'(1, -3), z'(-3, 0)
d) w'(3, -1), x'(2, -4), y'(-3, -1), z'(0, 3)

by what scale factor is the given pre-image dilated about the origin to create the image? note: the pre-image is in black while the image is in blue.
a) 0.5
b) 1
c) 1.5
d) 2

determine if the two triangles shown are congruent. if they are congruent, state the theorem that proves their congruency.
a) yes, by asa
b) yes, by sas
c) yes, by sss
d) there is not enough information.

find the value of x in the given figure.
a) 44°
b) 40°
c) 36°
d) 32°