Question

In right angle triangle PQR if <Q = 90°, PR=5 cm QR =4 cm then find PQ and hence find tan R.​

Answer 1

∠Q = 90°

PR = 5 cm QR = 4 cm

so, PQ^2 = PR^2 - QR^2

     PQ^2 = 9

     PQ = 3

So, tan R = PQ/QR = 3/4

Answer 2

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