One large submarine sandwiches is divided equally among four people how much of the sandwich did each person receive

The longer leg of a 30-60-90 trangle is 18

If a distance of 75 yds is measured back from the edge of the canyon and two angles are measured , find the distance across the canyon angle acb = 50° angle abc=100° a=75 yds what does c equal?

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle