Which of the following are true of linear functions?

Which math sentence can be used to determine if the triangle is a right triangle?

Which two undefined geometric terms always describe figures with no beginning or end?

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft.what is the area of the stage? enter your answer in the box. ft²