3.What is the name for the area between two concentric circles, upon which the formula for the volume of a sphere is derived?
A.
cross section
B.
annulus
C.
Cavalieri section
D.
hypothem
2007-03-17 18:01:59 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
It is called an annulus.
2007-03-17 18:12:58 · answer #1 · answered by ironduke8159 7 · 2⤊ 0⤋
an·nu·lus /ˈænyələs/ Pronunciation Key - Show Spelled Pronunciation[an-yuh-luhs] Pronunciation Key - Show IPA Pronunciation
–noun, plural -li /-ˌlaɪ/ Pronunciation Key - Show Spelled Pronunciation[-lahy] Pronunciation Key - Show IPA Pronunciation, -lus·es. 1. a ring; a ringlike part, band, or space.
2. Geometry. the space between two concentric circles on a plane.
3. the veil remnant on a mushroom stalk.
4. a growth ring, as on the cross section of a tree trunk, that can be used to estimate age.
2007-03-17 18:29:55 · answer #2 · answered by 1040 Agent 2 · 0⤊ 0⤋
i'd say cross section.
2007-03-17 18:04:56 · answer #3 · answered by Anonymous · 0⤊ 0⤋