1.

Find the value of k so that the area of triangle with vertices (k+1,1),(4,-3 )&(7 -k)

Answer» 3
Put the formula, area of triangle =1/2[x1(y2 -y3) + x2(y3-y1) + x3(y1-y2)]...... yu will get the answer........
6 square units


Discussion

No Comment Found