Areas

Question 1

How to calculate the area of a trapezium

Answer 1

Height
——— X (a+b)
2

(a and b are the length of the bottom and top base.

Question 2

How to calculate the sum of a interior angle of a polygon?

Answer 2

(n-2) x 180

n = number of sides

Question 3

How to calculate area of a rectangle?

Answer 3

Area = length x breadth

Question 4

What is the area of a parallelogram and rhombus l?

Answer 4

Area = base x perpendicular (right angle) height.

Question 5

What is the area of a circle?

Answer 5

Area = πxr ²

Question 6

How ta calculate the area of a triangle?

Answer 6

1/2 base x perpendicular height.