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ohaa [14]
3 years ago
7

thank you for hurrying here is the very last one Explain how you would find the perimeter of this triangle.

Mathematics
2 answers:
Lena [83]3 years ago
5 0

Step-by-step explanation:

Use the method of TOA CAH SOH.

tan(51.3) =  \frac{opp}{adj}  \\  \tan(51.3)  =  \frac{u}{4}  \\ u = 4 \tan(51.3)

cos(51.3)  =  \frac{adj}{hypo}  \\  \cos(51.3)  =  \frac{4}{v}  \\ v \cos(51.3)  = 4 \\ v =  \frac{4}{ \cos(51.3) }

Perimeter of triangle = Sum of all sides =

u \:  +  \: v + 4

murzikaleks [220]3 years ago
3 0

Answer:

use right angeled triangle method.

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