Which transformation will map an isosceles trapezoid onto itself? A.
rotation by 180° about its center
B.
reflection across a diagonal
C.
reflection across a line joining the midpoints of the nonparallel sides
D.
rotation by 360° about its center

The trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? a) 48 cm2; 32 cm2; 80 cm 2 b) 48 cm2; 16 cm2; 64 cm 2 c) 128 cm2; 32 cm2; 160 cm 2 d) 128 cm2; 16 cm2; 144 cm 2