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Year 8 Area

Rectangles, parallelogram and triangles

QuestionAnswer
Area of rectangle Base multiplied by height
Area of parallelogram Perpendicular height multiplied by base
Area of triangle Half perpendicular height multiplied by base
For diagrams use a web browser to go to www.geogebra.org and search for spashett For diagrams use a web browser to go to www.geogebra.org and search for spashett
Perimeter of rectangle Sum of the length of all four sides
Perimeter of paralellogram Sum of the length of both sets of parallel sides (sum of all four sides)
Perimeter of triangle Sum of the length of all three sides
Area of a circle Pi multiplied by the radius squared
Circumference (perimeter) of a circle Pi multiplied by twice the radius
Interior angles of any four sided shape add up to... 360 degrees
Sum of exterior angles for any polygon equals... 360 degrees
Interior angles of a triangle add up to 180 degrees
Created by: MrSpashett