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

How do I find an angle to a 90 degree triangle with only the length of the sides-example-1

1 Answer

6 votes

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°

User Vic Goldfeld
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