Find the circumference of a circle with a radius of 3 feet

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Question b of 10which of the following describe an angle with a vertex at a? check all that applyo a. labcов. савd dooo c_baco d. zacb