construction for 90° angle and it above 4steps
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STEPS OF CONSTRUCTION:
1) Make a ray AB with initial point A.
2) With A as center, draw a semicircle on the ray.
3)With a help of compass, measure the radius of semicircle. With the same length, draw an arc from both ending points of semicircle to make 60° and 120°. Name the ending points as C and D.
4)Draw an arc above from both the angles.(point from which the arc intersects semicircle)
5) Name the newly formed intersection points as E
6) Join AE.
7) Required angle 90° is formed.
1) Make a ray AB with initial point A.
2) With A as center, draw a semicircle on the ray.
3)With a help of compass, measure the radius of semicircle. With the same length, draw an arc from both ending points of semicircle to make 60° and 120°. Name the ending points as C and D.
4)Draw an arc above from both the angles.(point from which the arc intersects semicircle)
5) Name the newly formed intersection points as E
6) Join AE.
7) Required angle 90° is formed.
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Follow the following step to construct 90 Degree Angle
1). Use ruler and draw a Line segment OB of any convenient length. (as shown below)
2). Now use compass and open it to any convenient radius. And with O as center , draw an arc which cutsline segment OB at X. (as shown below)
3). Again use compass and opened to the same radius (as of step 2). And with X as center , draw an arc which cuts first arc at D . (as shown below)
4). Again use compass and opened to the same radius (as of step 2). And with D as center , draw another arc which cuts first arc at C . (as shown below)
5). Again use compass and opened to the same radius (as of step 2). And With C & D as center , draw two arc which cuts each other at E . (as shown below)
6). Join OE and extent it to A . (as shown below)
7). Above formed angle AOB = 90 Degree.
hope this helps you
1). Use ruler and draw a Line segment OB of any convenient length. (as shown below)
2). Now use compass and open it to any convenient radius. And with O as center , draw an arc which cutsline segment OB at X. (as shown below)
3). Again use compass and opened to the same radius (as of step 2). And with X as center , draw an arc which cuts first arc at D . (as shown below)
4). Again use compass and opened to the same radius (as of step 2). And with D as center , draw another arc which cuts first arc at C . (as shown below)
5). Again use compass and opened to the same radius (as of step 2). And With C & D as center , draw two arc which cuts each other at E . (as shown below)
6). Join OE and extent it to A . (as shown below)
7). Above formed angle AOB = 90 Degree.
hope this helps you
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