Since Angle QPS is a straight angle, it equals 180 degrees.
Angles QPR and RPS equal QPS.
Angle QPR + Angle RPS = QPS
(7x-4) + (9x-40) = 180
x=14
Hello!
I believe the next term in the velocity sequence should be 28 cm.
Well, for any prism, it is the lateral area + the area of two ends.
