Question

Hello! Please help with this fill in the blank, thanks!

Answer 1

Answer:

Triangle ABC is rotated 180 degrees around point E, therefore, A maps to D, B maps to C, and C maps to B.

===================================================

Explanation:

If you were to rotate triangle ABC 180 degrees around point E, then it would line up perfectly with triangle DCB

• Point A lands on point D
• Point B lands on point C
• Point C lands on point B

Note how in the sequence ABC we have A first, B second, then C third

Then for the sequence DCB we have D first, C second, then B third

This order matters so we can pair up the points properly

• A goes to D (A is first of ABC; D is first of DCB)
• B goes to C (B is second in ABC; C is second in DCB)
• C goes to B (C is third in ABC; B is third in DCB)