WBSED - 7 - Maths :: Congruence of Triangles

Go To: WBSED-Mathematics-Grade 7

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[Contributor - Kripa S]

http://www.wbsed.gov.in/wbsed/readwrite/etextbook/Ganitprabha%20Class%20VII.pdf#page=136 (Bengali Medium)

[Contributor - Kripa S]

https://s3-ap-southeast-1.amazonaws.com/learnhive/lcards/Conditions-of-Congruence-of-Two-Triangles-521f29a53844f.png (Tests of Congruence)

http://passyworldofmathematics.com/Images/pwmImagesSix/CongruentTrianglesThirteen550x418JPG.jpg (Congruency test example 2)

[Contributor - Kripa S]

1. Check the biscuits in a packet. Are they all alike? Are they congruent?

2. Check the chips in a packet. Are they alike and congruent? Why not ?

3. Take two congruent copies of a triangle. By paper folding, investigate if they have equal altitudes. Do they have equal medians? What can you say about their perimeters and areas?

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