Areas Flashcards
1
Q
How to calculate the area of a trapezium
A
Height
——— X (a+b)
2
(a and b are the length of the bottom and top base.
2
Q
How to calculate the sum of a interior angle of a polygon?
A
(n-2) x 180
n = number of sides
3
Q
How to calculate area of a rectangle?
A
Area = length x breadth
4
Q
What is the area of a parallelogram and rhombus l?
A
Area = base x perpendicular (right angle) height.
5
Q
What is the area of a circle?
A
Area = πxr ²
6
Q
How ta calculate the area of a triangle?
A
1/2 base x perpendicular height.
