SOLUTION: P, Q and R are three points on a circle. If the ratio of arc pq:qr:pr = 3:4:5, find the measures of arc PR, QR and PS.

Algebra ->  Circles -> SOLUTION: P, Q and R are three points on a circle. If the ratio of arc pq:qr:pr = 3:4:5, find the measures of arc PR, QR and PS.      Log On


   



Question 346024: P, Q and R are three points on a circle. If the ratio of arc pq:qr:pr = 3:4:5, find the measures of arc PR, QR and PS.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
PQ%2BQR%2BRP=360
3x%2B4x%2B5x=360
12x=360
highlight%28x=30%29
.
.
PQ=3x=90degrees
QR=4x=120degrees
RP=5x=150degrees