Find the lengths a, b, c, and d in the following f...
Find the lengths a, b, c, and d in the following figure:
| <-----------------2cm-----------------------|<------d-------|
Leave your answers in terms of trigonometric functions.

| <-----------------2cm-----------------------|<------d-------|
Leave your answers in terms of trigonometric functions.
Answers ( 1 )
For QR, first find its opposite angle to be
Now using the law of sines:
Therefore: