Question

find-PR (hind-use Pythagoras theorem)​

Answer 1

Answer:

PR = 82.31 units

Step-by-step explanation:

In ∆PQR,

PR^2 = PQ^2 + PR^2

PR^2 = (21)^2 + (19)^2

PR^2 = 441 + 361

PR^2 = 802

PR = √802

PR = 82.31 units