The vertical component of a force of 100 pounds that makes an angle of 30° with the horizontal is 50 pounds. is this true or false?

What is the difference between regular convex and concave polygons

About 9% of th population is hopelessly romantic. if 2 people are randomly selected from the population, what is the probability that at least 1 person is hopelessly romantic?

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?