Find the area of a triangle, parallelogram, kite and trapezium
How to calculate the area of a triangle, a parralelogram, a trapezium, and a kite
We can easily find the area of specific shapes once we know their formula's. The following formula's will help you find the area's of each shape.
Triangle
A Triangle is a polygon with 3 sides
Area = ½ × b × h
b = base
h = vertical height
Parallelogram
A Parallelogram is a quadrilateral with 2 pairs of parallel sides
Area = b x h
b = base
h = vertical height
Trapezium
A Trapezium is a quadrilateral with 1 pair of parallel sides
Area = ½(a+b) × h
h = vertical height
a+b = combined length of the parallel sides
Kite
A Kite is a quadrilateral with:
 2 pairs of sides that are equal in length and adjacent (next to each other)
 the angles in between the unequal sides are opposite and equal
 diagonals (the line that connect opposite corners) intersect at right angles
Area = (½) x d_{1 }x d_{2}d_{1} = length of short diagonal of kite
d_{2} = length of long diagonal of kite
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