From triangle PQR is P = 90°, PQ = 15.5 dm and PR = 11,7 dm. Calculate QR in dm. Round to one decimal.

Question

asked Apr 27, 2022 17.3k views

1 Answer

Xudong Zhang · Answer 1 · 2022-05-01T11:02:24+0000

Answer:

QR = 19.4

Explanation:

Use Pythagoras because p = 90°

Qr is hypotenuse

; (15.5)² + (11.7)²

= 377.14

√377.14

= 19.42009

= 19.42

= 19.4

hope it helps ☺️