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find DC round to the nearest tenth

Find DC Round To The Nearest Tenth class=

Sagot :

Answer:

42

we can use trigonometric ratios (cos, sin, tan) to solve this

[tex]cos(54)=AD/20\\20cos(54)=AD\\AD=12\\[/tex]

Using the pythagorean theorum we see that BD is 16

now we can use tan to solve for DC

[tex]tan(28)=16/DC\\DC=16/tan(28)\\DC=30\\30+12=42; AC=42[/tex]

Step-by-step explanation:

2244302924bbidn

Step-by-step explanation:

30.53

loooooooooooooooooooooool

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