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CALCULATE PR :) Merry Xmas btw

CALCULATE PR :) Merry Xmas btw
asked 71.4k views
4 votes
CALCULATE PR :)
Merry Xmas btw

CALCULATE PR :) Merry Xmas btw-example-1
asked
User Chris Hepner
by
8.3k points

1 Answer

5 votes

Answer:

PR = 7.9

Explanation:

By sine rule:


(12.5)/( \sin \: 66 \degree) = (PR)/( \sin \: 37 \degree) \\ \\ (12.5)/( 0.9135454576) = (PR)/( 0.6018150232) \\ \\ PR = (12 * 0.6018150232)/(0.9135454576) \\ \\ PR = (12 * 0.6018150232)/(0.9135454576) \\ \\PR = (7.22178028)/(0.9135454576) \\ \\ PR = 7.90522269 \\ \\ PR \approx \: 7.9

answered
User Pramila
by
8.1k points
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