An isosceles triangle is a triangle in which two sides are equal in length. the angle between the two equal sides is called the vertex angle, while the other two angles are called the base angles. if the vertex angle is 40°, what is the measure of the base angles?

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?