Question

Construct a isoscles triangle whose base is 2cm and altitude is 4cm then draw another triangle whose sides are 1/2 times the corresponding sideoa of isosceles triangle

Answer 1

Draw a line segment of length 2cm

Then make a perpendicular bisector of the line segment

Using compass cut the P.B. of desired length, i.e. 4cm

Join the intersection to the ends of the base.

Now take the midpoints of the equal sides and join them

Your work is done