Choose the sentence in which the underlined word is correct.
a) the heightened emotion in the film effected me.
b) the lotion had an immediate affect on the sunburn.
c) the wise man offered me sage counsel concerning my pursuit of meaning.
d) the orange throw pillow complimented the other warm colors in the room.

either a donut or a sphere or a pancake or a flat sphere. it depends on where the vertical line is.

if the line goes through the center of the circle and is perpendicular to a diameter containing the center, then you get a flat circle.

if the line and the diameter of a the circle meet in the center of the diameter and at an angle, you get a pancake.

if the line is on the circumference of the circle and is at right angles   to the circle you get a ring.

if the line contains the diameter, you get a sphere.

the the line is parallel to the diameter and touches the circumference, you get a donut.

and your question what topic are you in trouble with?