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sineoko [7]
2 years ago
12

Solve Triangle DEF. - Math

Mathematics
1 answer:
Brrunno [24]2 years ago
7 0

Answer:

p = 52.942259755149776

Step-by-step explanation:

This is basic trigonometry.

\cos(39)  =  \frac{e}{22}

e =  \cos(39)  \times 22

\sin(39)  =  \frac{d}{22}

d =  \sin(39)  \times 22

And finally perimeter (p):

p = 22 +  e+ d

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