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Oh yeah.. its C.. forgot to use 90 - 37 = 53 degrees
Date Posted:
6 years ago
If u cannot recognise its a Pythagorean triplet, u can calculate 37 degrees by using the cosine rule, then use 90 - 37 for the answer.
Did you use trigo for non-right angled triangles? Because I havent learnt that yet
Oh wait I see it now... thank you!!
Np