well, let's keep in mind that the SAS postulate, so if one Side and the Angle next to it and the following Side after the angle are equal on both triangles, both triangles are congruent. Now, we have the angle 30° with sides and 9 and 2x and sides 9 and x + 4, well, the 9's are equal, dohh, you know, if only the 2x = x + 4, we'd be golden

Trying using photo math or on google there is actually a slope calculator called functions calculator in stupid sorry for not answering it lol
Answer:
60
Step-by-step explanation:
DEF=180
DE=120
180-120=60
i hope this helps
Answer:
c
Step-by-step explanation:
Answer:
yup you are correct. The answer is 144 :)
Step-by-step explanation:
Also thx for the points!