Answer:
AA similarity theorem
Step-by-step explanation:
we know that
<u>AA (Angle-Angle) Similarity</u> states that In two triangles, if two pairs of corresponding angles are congruent, then the triangles are similar
In this problem we have that
∠BCA=∠ECD ----> by vertical angles
∠BAC=∠DEC ---> because AB is parallel to ED (alternate interior angles)
therefore
Triangles ABC and EDC are similar by AA similarity theorem
513/2=256.5
which means 256 and 257 are the answers
Answer:
DANG some of these questions are from like 2017 and still havent been answerd
Step-by-step explanation:
You can add a lot of numbers (or so I think). One number I think you can add is 31.
The work become much simpler if you do it in a table. Hope this helps!!