I) Construct a triangle PQR such that |PQ|=8cm,{RPQ=90°{PQR=30°.Measure |RQ|

Question

asked Mar 5, 2021 217k views

1 Answer

Redi · Answer 1 · 2021-03-11T14:32:03+0000

Answer:

6.93 cm

Explanation:

You have a right triangle (90°), so you do as follow:

If I understand correctly, you are looking for the hypotenuse so

cos(30) = (PQ)/(QR) = (8 cm)/(QR)

That is equal to
QR = cos(30)*8 cm = 6.928 cm