Question

write the formulae for finding the area of triangles when sides are given..
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Answer 1

Area of traingle when 3 sides are given -

√s(s-a)(s-b)(s-c)

Area of any triangle with height and base -

1/2 x b x h

Answer 2

For any given triangle:-
1/2×base×height

For a right angled triangle:-
1/2×product of the sides forming the right angle