Don't patronize us. "Don't teach your grandmother to suck eggs" applies well here. That is in only mathematical terms, not standard english. I'm not stupid.
now you're really being obtuse.(go look up the definition dud)
here's from websters...if you even understand that one since you couldn't even understand the definition from a website geared towards teaching gradeschoolers! considering the verbiage in the definitions below, i doubt you'll understand the difference between the two any better.
...and yes, you ARE stupid. quite stupid in fact. http://www.merriam-webster.com/dictionary/cir...
a: ring, halo
b: a closed plane curve every point of which is equidistant from a fixed point within the curve
c: the plane surface bounded by such a curve
archaic: the orbit of a celestial body
: something in the form of a circle or section of a circle: as
b: an instrument of astronomical observation the graduated limb of which consists of an entire circle
c: a balcony or tier of seats in a theater
d: a circle formed on the surface of a sphere by the intersection of a plane that passes through it <circle of latitude>
e: rotary 2
: an area of action or influence : realm
a: cycle, round <the wheel has come full circle>
b: fallacious reasoning in which something to be demonstrated is covertly assumed
: a group of persons sharing a common interest or revolving about a common center <the sewing circle of her church> <family circle> <the gossip of court circles>
: a territorial or administrative division or district
: a curving side street
See circle defined for English-language learners »
See circle defined for kids »
Examples of CIRCLE
She drew a circle around the correct answer.
We formed a circle around the campfire.
He looked old and tired, with dark circles under his eyes.
She has a large circle of friends.
She is well-known in banking circles.
sphere : http://www.merriam-webster.com/dictionary/sph...
a (1): the apparent surface of the heavens of which half forms the dome of the visible sky (2): any of the concentric and eccentric revolving spherical transparent shells in which according to ancient astronomy stars, sun, planets, and moon are set
b: a globe depicting such a sphere; broadly: globe a
a: a globular body : ball
b: planet, star
c (1): a solid that is bounded by a surface consisting of all points at a given distance from a point constituting its center — see volume table (2): the bounding surface of a sphere
: natural, normal, or proper place; especially: social order or rank <not in the same sphere as his moneyed friends>