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joja [24]
3 years ago
13

50 POINTS + BRAINLIEST TO CORRECT ANSWER!! TRIG/GEO

Mathematics
2 answers:
WINSTONCH [101]3 years ago
3 0

Option C:

We can find the value of PR using law of cosines.

Solution:

Given data:

∠Q = 18°, r = 9.5, p = 6.0

To find which length could be find in the triangle:

Law of cosines:

a^{2}=b^{2}+c^{2}-2 b c \cos A

Substitute a = q, b = r, c = p and A = Q

q^{2}=r^{2}+p^{2}-2 r p \cos Q

If we substitute the values given, we can find q.

q = PR

PR^{2}=r^{2}+p^{2}-2 r p \cos Q

Hence we can find the value of PR using law of cosines.

Option C is the correct answer.

Solnce55 [7]3 years ago
3 0

Answer:

It is option C

Step-by-step explanation:

took the test

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