if the lines x-1=0,y+2=0, 4x +ky-1=0 are concurrent. Then k=?
Def are mid points of side ab, bc and ac of triangle abc. Prove that dbef is a parallelogram whose area is half the area of triangle abc
Construct an isosxeles triangle , given its base and base angle and justify the construction.[Hint: you can take any measure of side and angle