What is the answer to 2 5/14 divided by (2 5/8 times 1 3/7)

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Consider circle o, where and . m∠bpd °. °.

*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