Question

draw an angle of 80 degree with the help of protector and bisect it measure each angle

Answer 1

make a right angle ABC triangle of two side equal making 90° at B with help of compass and then make 90 epual partition of the long side which is not making 90° with the help of scale or compass for easy work you can make the triangle longest side of 90 cm then Mark after each 1cm.t hen now from first Mark to 80 no Mark make triangle now the angle formed at that B is 80° now bisect the longest side into two equal part then cout the no of Mark the no of Mark will be the angle ...=40°