Question

construct rectangle ABCsuch that BC=8cm ,triangle B=45 ,AB-AC=3.5cm

Answer 1

steps of construction
*draw a line segment bc equal to 8 cm
*construct 90 degree at b
*bisect the 90 degree and you get 45 degree
*first using a compass and ruler stretch the compass to 3.5 CM....
*keep the compass at b and draw a arc ... mark it as d
*join DC
*draw a perpendicular bisector to DC
*intersection of this line with an extension of line be, mark it as a
* now the required ABC triangle is ready