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AURORKA [14]
3 years ago
10

Can anyone help me with this I really need help this is worth 40% percent of my grade

Mathematics
1 answer:
katovenus [111]3 years ago
5 0

Answer:

3.00

Step-by-step explanation:

let us look at triangle BAD first. Since it give us a complete information. using the formula

sin 0 = opposite / hypotenuse

sin 0 = 2.8/5.5

sin 0 =0.5091

transfer the sin to the other side

angle 0 = 30.6 ° (angle BAD)

it is given angle DAC = angle BAD

so angle DAC also =30.6°

since CD is an opposite than we use the previous formula back

sin 0 = opposite / hypotenuse

sin 30.6 = CD / 5.8

CD = 2.95 or 3.00

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