Triangle
a.perpendicular cross section of a cylinder rectangle
b.shape created when a rectangle is rotated about the y-axis circle
c.parallel cross section of a sphere cylinder
d.perpendicular cross section of a pyramid cone
e.shape created when a right triangle is rotated about the y-axis

Respuesta :

d.perpendicular cross section of a pyramid cone
B. Shape created when a rectangle is rotated about the y-axis circle