How do I find an angle to a 90 degree triangle with only the length of the sides

Question

asked Jul 15, 2022 141k views

1 Answer

Vic Goldfeld · Answer 1 · 2022-07-20T09:11:58+0000

Answer:

22.6°

Explanation:

the cosines rule :

cos x = (24²+26²-10²)/2(24)(26)

= (576+676-100)/1248

= 1152/1248

= 0.923

so, x = cos`¹ 0.923 = 22.6°