What are real world example of supplementary angles, collinear, and coplanar?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?