Consider circle c below, where the central angle is measured in radians. circle c is shown. line segments r c and s c are radii. angle r c s is startfraction 5 pi over 6 endfraction. arc r s has a measure of 10 pi. what is the length of the radius? units

What two criteria are needed for triangles to be similar

Need asap. solve for the following inequality

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?