What is the radian measure of ∠dog?
a. 300π
b. 30π/10
c. π/3
d. 3π

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?

Which of the following would be a reasonable estimate for the weight of a pencil? a. 1 × 10^-20 lb b. 1 × 10^20 lb c. 1 × 10^2 lb d. 1 × 10^-2 lb

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20