Question

Can you please Explain me the theorem of 30_60_90 and 45_45_90 theorem ??

I want it right now please urgently.
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Answer 1

Answer:

sum of all angles=180°

30+60+90+180

180=180

LHS=RHS

sum of all angles=180°

45+45+90=180°

180+180

LHS=RHS