construct an angel of 90° at the initial point of a given ray and justify the constructions
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Sorry i dont have campus right now see first draw a line shown in first figure then make a semicir le on it of any radius then keep your compas on the origin which i have highlighted in figure draw an arc cutting the semicir le and then keep compass on that arc to put another arc on semicircke do not change the length of comapps between all this and then open your compass between the arcs drawn before which were of 60 and 120 degree respectively then put arcs the pint where the meet will be the 90 degree so from where you tok the centre of semicircle draw a line between these arcs
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