Which triangle is a 30°-60°-90° triangle?

RIGHT TRIANGLE
Step-by-step explanation:
someone deleted my answer for some reason
Kono Dio Da!!!
Answer:
its gonna be a or the one that is 5/10/5(sqrt)3
Step-by-step explanation:
you only provided one image but i had the question so i ust found the answer
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edit: I just got a 100% so trust me lol