Question

Find the measure of A to the nearest whole degree. Use the table for sine.

A °

Answer 1

sin(A)=opp/hyp
sin(A)=4/20

then we can take the inverse sin, and use a table or calculator

Answer 2

its a degree though

Answer 3

12

Answer 4

make sure to put your calculator in degree mode and then hit
\[sin^{-1}(.2)\]