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Adobe Illustrator - How To Split Shapes

Bisecting a Line Segment

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In this section we will discuss bisecting a line segment.

Bisect means divide the line segment in two equal parts.

Bisecting a Line Segment

Draw a line segment measuring 5 cm and its perpendicular bisector. Write the steps of construction.

Step 1 : Draw a line segment AB of length 5 cm.

Step 2 : Mark two arcs with radius more than half of AB with centers A and B respectively.

Step 3 : These arcs intersect at P and Q respectively.
Step 4 : Join P and Q.

Step 5 : PQ is required perpendicular bisector of line segment AB.


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Construction of a line perpendicular to a given line at a given point using Ruler and Compass

Draw any line segment AB . Mark any point P on it. Through P, draw a perpendicular to segment AB with the help of ruler and compasses.

Step 1: Given a point P on a line l.


Step 2: With P as center and a convenient radius, construct an arc intersecting the line l at two points A and B.

Step 3: With A and B as centers and a radius greater than AP construct two arcs, which cut each other at Q.

Step 4: Join PQ.

Thus PQ is perpendicular to l.


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Construction of a line perpendicular to a given line and passing through a given point not lying on it by using ruler and compasses.

Draw any line segment AB . Take any point P outside it. Through P, draw a perpendicular to segment AB.

Step 1: Given a line l and a point P outside it.

Step 2: With P as center, draw an arc, which intersects line l at two points A and B.

Step 3: Using the same radius and with A and B as centers, construct two arcs that intersect at a point, say Q, on the other side.

Step 4: Join PQ.

Thus, segment PQ is perpendicular to line l.

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Geometrical Constructions

Basic Geometric Constructions
Construction of Line Segment
Bisecting a Line Segment
Constructing Angles
Bisecting Angles
Constructing Parallel Lines
Construction of Triangle (SSS)
SAS Triangle Construction
ASA Triangle Construction
HL Triangle Construction (Rhs -construction)
Constructing Quadrilaterals
Constructing Triangles(when sum of sides or perimeter is given)

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