Question

what is formula of area in triangle​

Answer 1

Answer:

1/2 *base*height

Step-by-step explanation:

because it is the half of rectangle whose area is l*b .

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Answer 2

Answer:

As far as i know, there are 2 formulae for area of triangles as follows

1. 1/2 multiply base multiply height

2. 1/2× [x1(y2-y3)+x2(y3-y1)+x3 (y3-y1)]

Hope this is helpful