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25. How far from the building must a ladder begin in order to rise 20 feet with a 53° angle of elevation? A. 15.07 ft. C.20.13ftB.43.72 ft.D. 62.31 ft.​

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PEANUTBUTTERXIN

[tex] \large \underline{\mathbb{ANSWER\::}} [/tex]

  • [tex]\large\boxed{\tt{A.\:\:15.07\:ft}}[/tex]

[tex] \large \underline{\mathbb{SOLUTION\::}} [/tex]

Let's use divide.

Solve:

  • [tex]\sf{20\:\div\: \tan(53^{ \circ}})[/tex]

Find the angles,

  • [tex]\large\sf{\frac{20}{ \tan(53^{\circ})}}[/tex]

  • = [tex]\large\boxed{\tt{15.07\:\:ft}}[/tex]

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