Select all the correct answers. Which sequence of transformations proves that shape I is similar to shape II? A. a reflection across the x-axis, and then a translation 6 units right B. translation 6 units right, and then a 90° clockwise rotation about the origin C. a 180° counterclockwise rotation about the origin D. a reflection across the y-axis, and then a translation 4 units up E. a reflection across the x-axis, followed by a 180° counterclockwise rotation about the origin, and then a translation 4 units down

if you was gonna solve for a, a is a   < -12

answer: the answer is e

step-by-step explanation:

second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.