please help will give BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLIEST BRAINLI

Question

3 years ago

11

EST BRAINLIEST BRAINLIEST for correct answer!!!!!!!!!!!!!

2 answers:

Lunna [17] · Answer 1 · 2022-03-05T09:48:16+03:00

Lunna [17]3 years ago

5 0

Answer:

20

Step-by-step explanation:

Since both triangles are similar, then the ratio is 18:6, which is 3:1

Triangle ABC is 3 times the size of DEC.

So, 1/3 of 30 is 10, and 30-10 is 20.

leonid [27] · Answer 2 · 2022-03-05T11:32:52+03:00

4 0

20

it just is i did the math but i’m terrible at explaining