Question

Construct a triangle abc in which ab=8cm bc =10 cm and ac= 6cm

Answer 1

First draw ab = 8 cm
then,
mark the arc of 10 cm from b and 6 cm from a
then,
join the a and b where the two arc are intersect.

So your triangle is complete

Answer 2

It cannot be constructed without the angle...at least two angles are needed