29. . All of the sides that add up to 180 degrees. Sum of internal angles 150 degrees 30 degrees
30. . The length around a triangle 70 degrees 40 degrees 90 degrees
31. . The area around the triangle. area 80 degrees 20 degrees 80 degrees 30 degrees
32. . quadrilateral trapezoid parallelogram rectangle rhombus square area of a rectangle area of a square area of a parallelogram area of a trapezoid Quadrilaterals