zaimm253 zaimm253

01-07-2021
Mathematics

contestada

find the length of side AB

find the length of side AB class=

Respuesta :

akposevictor akposevictor

07-07-2021

Answer:

AB = 5.6 cm

Step-by-step explanation:

Reference angle (θ) = 62°

Hypotenuse = 12 cm

Adjacent = AB

Apply the trigonometric ratio formula, CAH, which is:

Cos θ = Adj/Hyp

Plug in the values

Cos 62° = AB/12

12*Cos 62° = AB

5.63365876 = AB

AB = 5.6 cm (1 decimal place)

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