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Tcecarenko [31]
3 years ago
10

Please answer it now in two minutes

Mathematics
1 answer:
zlopas [31]3 years ago
8 0

Answer:

r = 17.3

Step-by-step explanation:

We are given the following:

m < T = 87°

TV = u = 11

TU = v = 14

UV = t = ?

Use the Law of Cosines to solve for the value of t as explained below:

t^2 = u^2 + v^2 - 2(u)(v)*cos(T)

r^2 = 11^2 + 14^2 - 2(11)(14)*cos(87)

r^2 = 121 + 196 - 16.12

r^2 = 317 - 16.12

r^2 = 300.88

r = \sqrt{300.88}

r = 17.3 (to the nearest tenth)

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