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02-04-2019
Mathematics

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a 12ft ladder leans against the wall . its base us 4.5 feet from the wall. What us the angle formed by the ladder and the ground ?

pls show work!

Respuesta :

02-04-2019

Answer:

38.4

Step-by-step explanation:

1. Pythagorean Theorem: 4.5²+ x²= 12²→ 20.25 + x² = 144→ 144-20.25= 123.75

2. Square root 123.75, number wont be perfect, just round. (11.1)

3. Use inverse cos, sin, or tan. Answer will be the same.

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