P e r i m e t e r :
Perimeter is the distance around a closed shape; it is the sum of the length of the
sides of the shape.
All units must be the same length when calculating perimeter
○
Sides with the same type of markings (dashes) are at equal length
○
•
Ex.
y
z
V o l u m e :
Volume of a solid is the amount of space it occupies
•
Volume of a prism =
Area of cross section x perpendicular height
◊
Ah
◊
•
Volume of a cylinder = (circular prism)
Area of a circle (
𝜋𝑟ℎ
) x perpendicular height
○
V = pie *radius ^2 *height
○
•
h
M e t r i c u n i t s a n d c o n v e r s i o n s :
Metric units for perimeter:
•
×1000 ×100 ×10
km m cm mm
÷1000 ÷100 ÷10
Metric units for area (measured in units^2):
•
X
∴P = 2x + 2y + 2z
a
Metric units for volume (measured in units^3):
•
Chapter 5: Area and Volume .
Tuesday, 12 October 2021
5:29 PM
