Answer:
cos0 = 1
cos90 =0
so a for the first one and d for the other
Answer:
No, the triangles are not similar
Step-by-step explanation:
The (reduced) side length ratios, shortest to longest, are ...
12 : 18 : 20 = 6 : 9 : 10
and
5 : 12 : 13
These are not the same, so the triangles are not similar.
Answer:
No
Step-by-step explanation:
I haven't learned this but my brother says its incorrect, he is in Highschool, though he doesn't use Brainly.
