Question

How to construct an angle of 45 degree by making 60 , 120 90 .

Answer 1

Answer:

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Step-by-step explanation:

To construct an angle of 45º, we need to follow some simple steps.

As we know that 1/2 of 90º is 45º.

1. Draw a line segment BC of any length.

2. Taking B as the center, construct a semicircle that bisects BC at point P.

3. From P, construct three arcs dividing the semi-circle into 3 equal parts that are 60º each.

4. Mark the points as x and y where the arcs bisect the semi-circle.

5. From point x and y construct arcs that bisect each other at point Z.

6. Join points A and Z to obtain a 90º angle that bisects the semi-circle at point T

7. Construct arcs from point P and T that bisect each other at point A.

8. Join AB and the angle formed ABC is the required angle.