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What is the angle bisector of 45 degree?

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What is the angle bisector of 45 degree?

90 degrees
To draw a 45-degree angle with a compass, we first construct a 90-degree angle. Then we construct an angle bisector of 90 degrees to get a 45-degree angle.

How do you construct a 45 degree angle bisector?

45 Degree Angle

  1. Construct a perpendicular line.
  2. Place compass on intersection point.
  3. Adjust compass width to reach start point.
  4. Draw an arc that intersects perpendicular line.
  5. Place ruler on start point and where arc intersects perpendicular line.
  6. Draw 45 Degree Line.

How do you draw a 45 degree bisector?

1) Construct a perpendicular line.

  1. 2) Place a compass on a intersection line.
  2. 3) Adjust compass width to reach start point.
  3. 4) Draw an arc that intersects perpendicular line.
  4. 5) Place a ruler on a start point and where arc intersects perpendicular line.
  5. 6) Draw a 45 degree line.
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How do you construct a 45 degree angle without a protractor?

Answer: Follow the steps shown below.

  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.

How do you work out a 45 degree angle?

Measure the length of the diagonal line and make a mark at its center point. Divide the total distance by two to ascertain this measurement.

How do you draw a 45 degree angle in Autocad?

At a Specific Angle

  1. Click Home tab > Draw panel > Line. Find.
  2. Specify the start point.
  3. Do one of the following to specify the angle: Enter the left angle bracket (<) and the angle, for example <45, and move the cursor to indicate the direction.
  4. Do one of the following to specify the length:
  5. Press the Spacebar or Enter.
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How do you bisect a line to make 45 degrees?

If so you can bisect that to make 45 degrees. If you can’t then start with a line of angle 180 degrees and bisect that. To bisect a straight line set your pair of compasses to any specific length and don’t change it. Put the point on the line anywhere and draw a circle.

How do you bisect a 30 degree angle?

A 30˚ angle can be obtained by bisecting a 60˚ angle. A 15˚ angle can be obtained by bisecting a 30˚ angle. A 45˚ angle can be obtained by bisecting a 90˚ angle. A 22.5˚ angle can be obtained by bisecting a 45˚ angle.

How to make a 45 degree angle with a compass?

The figure shows a point A on a straight line. Construct an angle of 45˚ at point A. Solution: Construct a 90˚ angle, and then construct an angle bisector to obtain a 45˚ angle. Step 1 : Stretch your compasses until it is more then half the length of AB. Put the sharp end at A and mark an arc above and another arc below line segment AB.

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How does the 45-degree triangle work?

It works by constructing an isosceles right triangle, which has interior angles of 45, 45 and 90 degrees. We use one of those 45 degree angles to get the result we need. See the proof below for more details.