5-5 Isosceles Trapezoid Action!
1) What new conclusions can you make about an isosceles trapezoid? Describe in detail.
2) Suppose one interior angle of an isosceles trapezoid measures 78 degrees. Determine the measures of its other 3 interior angles.
3) Suppose the length of one diagonal of an isosceles trapezoid measures 16 inches. What would the length of its other diagonal be?