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Stone 5th grade math

area, perimeter, volume, acute, obtuse, right scalene, isosceles

Area of a triangle base x height divided by 2
Volume length x width x height
Area of a rectangle length x width
Perimeter The distance around the OUTSIDE of a polygon. ADD the sides
Circumference The distance around the OUTSIDE of a circle. It is like the perimeter, but of a CIRCLE.
Diameter Widest distance across a circle - going through the center
Radius The distance from any point on a circle to the center. Half of the diameter
Scalene triangle No equal sides
Isosceles triangle 2 equal sides
Acute angle less than 90 degrees
Obtuse angle More than 90 degrees
Right angle 90 degrees
Straight angle 180 degrees
Created by: eslsub