Math, asked by Omkaramallick, 3 months ago

In Δ PQR , ∠Q = 90 , ∠R = 60 , PR = 42 , PQ = ?

Answers

Answered by prakashpujari1133

2

Answer:

tringle PQR is right angled tringle

there fore

Step-by-step explanation:

sin 60=√3/2

there fore, √3/2=PQ/PR

PQ=42×√3/2

PQ =21√3

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