area & perimeter Flashcards
1
Q
what is the area
A
area inside of a shape
2
Q
area of rectangle/square
A
length x width
3
Q
area of triangle
A
base x height ÷ 2
4
Q
area of parallelogram
A
base x height
5
Q
area of a trapezium
A
top + bottom
——————– x height
2
6
Q
area of a circle
A
pie x radius squared
7
Q
circumference of a circle
A
pie x diameter
8
Q
Size of one interior angle
A
Find exterior angle
Take away from 180
