What's one way we can check our answer to 2 ×10 = 20?

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

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12

Astudent drew a circle and two secant segment. he concluded that if pq ~= ps, then qr ~= st. do you agree with the student’s conclusion? why or why not?