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In ΔPQR, sin P= 3/4, sin R= 2/5, and p=40. Find the exact value of r.

In ΔPQR, sin P= 3/4, sin R= 2/5, and p=40. Find the exact value of r.
asked 59.0k views
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In ΔPQR, sin P= 3/4, sin R= 2/5, and p=40. Find the exact value of r.

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User Msalafia
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1 Answer

6 votes
Hello,

sin (P)/p=sin (R)/r
==>r=sin (P)/(p* sin (R))
r= (3/4)/(40*2/5)
r=3/4 * 5 /(40*2)=(3/4) /16=3/64
answered
User Mohammad Siavashi
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