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= 16 16 − 12 16 − 12 16 − 8
= 16 × 4 × 4 × 8
2
= 4 × 4 × 4 × 4 × 2 × 2 × 2 cm

2
2
= (4× 4 × 2 3) m = 32 2 cm
We can summarize various method to calculate the Area of the
Triangle.

1
If you know the height and base A= × b × h
2
A= − − −
If you know all the three sides + +
where, S=
2
1
2
If it is isosceles right-angle triangle with equal side ‘a’ A=
2
If it is isosceles triangle with equal side‘a’and other side as ‘b’ A=  a 4b  2 a
2
4

If it is equilateral triangle with equal side ‘a’ A=  3 a
2
4
1
If it is right angle triangle with base ‘b’ and height ‘h’ A= × b × h
2

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