10-EXERCISE-13.1 Q4.For an Arc draw two perpendicular bisectors of chords of PQ and QR of this .....

EXERCISE-13.1 Q4.For an Arc draw two perpendicular bisectors of the
Chords of PQ and QR of this arc, construct a circle through P,Q and R.
Given: An arc with two chords (PQ) ̅ and (QR) ̅.
Required:
(i) To draw perpendicular bisectors of given chords
(ii) To Construct a circle through P,Q and R.
Construction Steps:
1.Draw Perpendicular bisectors AB of chord PQ.
2.Draw Perpendicular bisectors CD of chord QR which intersect AB at point O.
3.Draw a Circle with Radius OP=OQ= OR having Centre at O, which is the Required Circle.

The word Geometry is derived from two Greek words
Geo(earth) and Metron (measurement).
Geometry means measurement of earth or land.
Geometry is an important branch of Mathematics which deals
with shape, size and position of Geometric figures.
Euclid’s Elements has been referred to as the most successful
and influential Textbook ever written on Geometry.
A circle of any radius can be constructed by rotating
a compass about a fixed point O.
Circle is a locus of points whose distances from
a fixed point is same
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Radius is the distance from Centre to boundary of the circle.

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