4 years ago

1) A 30-ft. ladder leans against a wall so that the base of the ladder

Mathematics

1 answer:

navik [9.2K]4 years ago

5 0

Answer:

A) 70.5

Step-by-step explanation:

cos x = adjacent side/ hypotenuse

cos x = 10/ 30

cos x = 0.3

cos 70 = 0.3420

cos 71 = 0.3256

x = 70.5

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