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Rina8888 [55]
3 years ago
6

Geometry sucks please help ​

Mathematics
1 answer:
ehidna [41]3 years ago
5 0

Answer:

  a. AB = 3.4 ft

  b. AE = 1.6 ft

Step-by-step explanation:

SOH CAH TOA reminds you of the relationship between trig functions and right triangle sides.

a. Cos = Adjacent/Hypotenuse

  cos(28°) = BE/BA = 3 ft/BA

Multiplying by BA and dividing by cos(28°), you get ...

  BA = (3 ft)/cos(28°) ≈ 3.4 ft

___

b. Tan = Opposite/Adjacent

  tan(28°) = AE/BE = AE/(3 ft)

Multiplying by 3 ft, you get ...

  AE = (3 ft)·tan(28°) ≈ 1.6 ft

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General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define equation</u>

t + t + t = 12

<u>Step 2: Solve for </u><em><u>t</u></em>

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<u>Step 3: Check</u>

<em>Plug in t into the original equation to verify it's a solution.</em>

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