Answer:
PQR = 67.4 degrees
Step-by-step explanation:
Here, we want to find the size of PQR
to do this, we proceed as follows
As we can see PR is the opposite while PQ is the hypotenuse
The trigonometric identity connecting the two is the sine
sine is the ratio of the opposite to the hypotenuse
sin Q = 12/13
Q = sin^-1(12/13)
Q = 67.4 degrees
