Find surface area & volume
12.6 SPHERES
SPHERE­­locus of points in space equidistant from given point, called the CENTER.
The RADIUS of a sphere is a segment from the center to a point on the sphere
32.4 ft
SURFACE AREA OF SPHERE S = 4∏r2 11.2
m
VOLUME OF SPHERE
V = 4/3∏r
3
Find surface area & volume
14 in
12 c
42 in
m
Apr 14 ­ 1:18PM
Apr 14 ­ 1:38PM
Complete the chart.
radius
Find the volume and surface area of the solid.
circumference
surface area
volume
7cm
10 cm
12∏ cm
256 ∏ cm2
3000∏ cm3
Apr 14 ­ 1:41PM
The circumference of the Earth is about 25,000 miles. If the surface of the Earth is covered by about 70% water, how much of the Earth is covered by water?
May 16­9:12 AM
14 cm
Apr 2­9:21 AM
Tennis balls are stored in a cylindrical container 9 inches tall and radius 1.5 inches. The circumference of a tennis ball is 8 inches. If there are 3 tennis balls in a container, find the amount of space not taken up by the tennis balls.
Apr 2­8:00 AM
1
Apr 2­9:38 AM
2