the set of all points in space that are the same distance from a point called the center
B.
is a surface consisting of all the points on all the lines which are parallel to a given line and which pass through a fixed plane curve in a plane not parallel to the given line
C.
is a distinctive geometric figure that has a flat surface and a surface, pointed towards the top.
D.
the set of all points in plane that are the same distance from a point called the center
2.
Acording to the video, the surface area of a sphere is
A.
(4/3)πr³
B.
2πr²
C.
(2/3)πr³
D.
4πr²
3.
A soccer ball has a radius of 70 cm. The surface area of the ball is ...
A.
560π cm²
B.
4900π cm²
C.
140π cm²
D.
19600π cm²
4.
Acording to the video, the volume of a sphere is
A.
(4/3)πr³
B.
2πr²
C.
(2/3)πr³
D.
4πr²
5.
A billiard ball has a volume of 36π cm³. The diameter of the ball is ...
