Question

construct a triangle abc where BC =5cm, angle B=75 degree and AB=4.5cm

Answer 1

first draw the 4.5 and 5cm.and then draw a line and take compass and measure 5cm and draw 5cm on the line.then draw 60 and 120 degree and then draw 90 degree and cut an arc between 90 and 60 degree .then take 4.5 cm and draw 4.5 cm {ab}.then join the line {ac}.