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16-05-2020
Mathematics

contestada

1) A 30-ft. ladder leans against a wall so that the base of the ladder
is 10 ft. from the base of the wall. What angle does the ladder
make with the ground?
A) 70.5

B) 19.5

C) 18.4

D) 33.3

Respuesta :

eliza3451 eliza3451

16-05-2020

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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