Rectangular triangle PQR

In the rectangular triangle PQR, the PQ leg is divided by the X point into two segments of which longer is 25cm long. The second leg PR has a length 16 cm. The length of the RX is 20 cm. Calculate the length p of side RQ. The result is round to 2 decimal places. Units "cm"

Correct result:

p =  40.31 cm

Solution:

p1=202−162=12 p2=p1+25=12+25=37 p=p22+162=372+162=5 65=40.31 cm

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