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08 October, 2007

angles in the same segment

Aim By paper cutting and pasting verify that angles in the same segment of a circle are equal.

Material required
coloured paper, a pair of scissors, geometry box, fevistick, carbon paper.

Procedure
step 1 Draw a circle of any radius with centre O on a coloured paper and cut it.
step 2 Take a rectangular sheet of paper and paste the circle cut out on it.
step 3 Fold the circle in anyway to get a chord. Name the chord as AB.
step 4 Take two points P and Q in the same segment.
step 5 Form a crease joining AP and draw AP.
step 6 Form a crease joining BP and draw BP.
step 7 Form a crease joining AQ and draw AQ.
step 8 Form a crease joining BQ and draw BQ.
step 9 Make replicas of angle AQB and angle APB using carbon paper.
step 10 Place the two replicas on each other.

Observations
1. angle APB and angle AQB are angles in the same segment of the circle.
2. angle APB = angle AQB.

Result
angle APB = angle AQB
ANGLES IN THE SAME SEGMENT OF A CIRCLE ARE EQUAL.

2 comments:

www.puneetsharma.blogspot.com said...

please put the pictures

ujjwal mittal said...

i would lyk 2 share my experience while working in maths lab during my session of 9th.i enjoyed a lot while performing some very interesting activities...i got 2 learn many new formulas also..i'm luking forward 2 work lyk dis in 10th class also...at d end i wud lyk 2 thank my maths lab tacher mrs.rashmi kathuria for her guidance..
name-ujjwal mittal
class-ix-g
r.no-42

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