Question

Jill cut out shape AEFB, folded it in half along the dashed line, and verified that figure ABCD and figure EFCD are congruent.

Which transformation describes how Jill proved that figure ABCD and figure EFCD are congruent?

A.
a translation 2 units to the right

B.
a 270° clockwise rotation around point C

C.
a reflection across line segment CD

D.
a reflection across line segment AB
http://static.k12.com/calms_media/media/1572500_1573000/1572836/1/6c418ffc1a7f7ae486cac90f1e1eb0411d28a854/MS_IMC-141215-110501.jpg

Answer 1

C

Answer 2

@k_lynn

Answer 3

Yep, you got it :)

Answer 4

@mitchal

Answer 5

Great Job.

Answer 6

yeah C XD lol see you dont need help ;) youre smart, you can do it.

Answer 7

xDD thanx guys

Answer 8

can you help with one more i'm stuck on please? :)

Answer 9

Sylvia’s aunt asked her to help cut out fabric for a quilt. The figure shows the pattern of one section that is made of triangles.

What degree of rotation clockwise about point B should Sylvia use to prove that ΔABC (pre-image) and ΔIBH (image) use the same amount of fabric?

_______ clockwise
http://static.k12.com/calms_media/media/1572500_1573000/1572840/1/466824e26168a20221394790a85af228c7d87cda/MS_IMC-141215-110505.jpg

Answer 10

I'm not sure about this one can anyone help

Answer 11

@mitchal

Answer 12

What do you think? Just look at one line.

http://prntscr.com/6c8t3l

Answer 13

@k_lynn

Answer 14

I might be able to help with this one

Answer 15

I'm pretty sure it's 90 degrees clockwise

Answer 16

Does this help?