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Find the length of side RN
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4 votes
Find the length of side RN

Find the length of side RN-example-1
User F Blanchet
by
4.5k points

1 Answer

5 votes

Answer:

RN ≈ 4.2

Explanation:

Using the cosine ratio in the right triangle

cos65° =
(adjacent)/(hypotenuse) =
(RN)/(PR) =
(RN)/(10) ( multiply both sides by 10 )

10 × cos65° = RN , then

RN ≈ 4.2 ( to 1 dec. place )

User Wiseguy
by
4.3k points
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