Question

Check please?

Answer 1

?

Answer 2

I'm talking about screen shot 19

Answer 3

@OtherWorldly Halp ;(

Answer 4

well it is not ruler postulate

Answer 5

Is it substitution?

Answer 6

Actually wait no.

Answer 7

XD

Answer 8

angle addition postulate will be the answer

Answer 9

https://quizlet.com/2723034/definitions-postulates-and-theorems-flash-cards/

Answer 10

here is a list of all postulated concerned with the topic

Answer 11

wouldn't it be c

Answer 12

Can these be written on a graph

Answer 13

the angle addition postulate is not one of the choices...

Answer 14

d is right

Answer 15

17+13=30 is the substitution property of equality

Answer 16

and the step before it was angle addition postulate, which is already mentioned in the picture

Answer 17

well then i guess ur right

Answer 18

Oh oka so it was subsitution that's what I got when I did the math using the the given formula