Which equation can be solved to find one of the missing side lengths in the
&
B
60°
12 units
Cos(60%) = 12

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes