Area /shapes Flashcards
1
Q
Area of square / rectangle
A
Base x height
2
Q
Area of triangle
A
Base x height / 2
3
Q
Parallelogram or rhombus area
A
Base x (vertical) height
4
Q
Area of a trapezium
A
(Top + bottom /2 ) x vertical height
5
Q
Area of circles
A
Pie x radius squared
6
Q
Volume
A
Area of cross section x length
7
Q
Area of a sector of a circle
A
Pie r ^2 x/360
X= degrees in sector
8
Q
What happens when enlarging by a negative scale factor
A
Shape flips and enlarges
