If each of the following quadrilaterals are trapezoids find the missing measures. show your work.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

In a young single person's monthly budget, $150 is spent on food, $175 is spent on housing, and $175 is spend on other items. suppose you drew a circle graph to represent this information, what percent of the graph represents housing?