How to construct an isosceles right angled triangle in which the hypotenuse is 8 cm long. Share with your friends Share 1 Brijendra Pal answered this Hi, Draw a line AB of length 8 cm now from A draw a perpendicular at A by taking an arc of length MN now take equal length arc at O and M to bisect this right angle at A becauseisosceles triangle that is right angles has two equal angle 45 degreeso where these arc cut join with A and extend it as shown, Now repeat the same process of making right angle at B and then bisecting angle and when extended this bisector will meet at C so angle ACB will be 90 degree 2 View Full Answer Shresth Jain answered this by compas -5 Aditya Verma answered this by compass -5