The height of an isosceles trapezoid is 6 and the bases are 4 and 20. Find the measures of the angles.
Isosceles Trapezoid
Longer side (a): 20
Shorter side (b): 4
Legs (c): 10
Diagonal (d): 13.416
Height (h): 6
Central median (m): 12
Circumcircle radius (rc): 11.18
Overlap (g): 8
Perimeter (p): 44
Area (A): 72
Acute angle (α): 36.87
Obtuse angle (β): 143.13
