Calculate the volume of the cylinder, where a = 18 and b = 11. use 3.14 for pi and round your answer to the nearest tenth.

Find the value of the cosine for angle a

What is the number 321,000,000 in scientific notation? also what is the number? ?

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer