Question

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Answer 1

Answer:

Step-by-step explanation:

Angle R is 30°

Q=90°

tan 30°=opposite/adjacent

          = PQ/QR =5/QR

           =1/√3                   ....(tan 30 = 1/√3)

5/QR=1/√3

Therefore QR=5*√3  ==> 5 * 1.732 =8.66cm

sin 30°=opposite / hypotenuse

           =PQ/PR == 5/PR

           =1/2      

Therefore PR = 5*2 =10cm

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