APSB - 7 - Maths :: The Triangle and its Properties
Go To: APSB-Mathematics-Grade 7
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[Author - Kripa S]
Objective: Explain properties of triangle for different types of triangle
Subtopics to be covered:
- Revise types of triangles based on sides and angles
- Median and Altitude of a triangle
- Exterior angle of triangle and its property
- Angle sum Property of triangle
- Property on sum of lengths of sides of triangle
Learning Outcome:
- Students can solve problems based on the above concepts
[Author - Kripa S]
http://scert.telangana.gov.in/sites/default/files/publication/ebooks/7TM_MAT.pdf#page=96 (Telangana Board) (Telugu Medium)
http://apscert.gov.in/ebookapp/GeneratePdf (AP Board) (Telugu Medium)
http://scert.telangana.gov.in/sites/default/files/publication/ebooks/7EM_MAT.pdf#page=96 (Telangana Board) (English Medium)
http://apscert.gov.in/ebookapp/GeneratePdf (AP Board) (English Medium)
[Author - Kripa S, Vinaya Santhosh]
https://te.khanacademy.org/video?lang=te&format=lite&v=xKaCeFOA_AU ( (Khan Academy) సరూప త్రిభుజాలు )
https://www.youtube.com/watch?v=JphEvuYbXPs (Telugu - Sides of angles explained)
https://www.youtube.com/watch?v=Gp4ZWP-2TPc (Telugu -
Properties of Triangles, right angled, Acute and Obtuse angles)
https://www.youtube.com/watch?v=OBXWcWcvYw8 (Telugu - TYpes of triangles and right angles)
[Author - Kripa S]
https://s3-ap-southeast-1.amazonaws.com/learnhive/lcards/Types-of-Triangles-521dd275368b9.png (types of triangles)
http://s3-ap-southeast-1.amazonaws.com/subscriber.images/maths/2016/06/22114543/ALTITUDE.png (Altitudes of a triangle)
http://s3-ap-southeast-1.amazonaws.com/subscriber.images/maths/2016/06/22114547/Triangle.Centroid.Median.png (Medians of a triangle)
http://image.wistatutor.com/content/feed/u774/angle%20pro3.JPG (exterior angle property)
https://dj1hlxw0wr920.cloudfront.net/userfiles/wyzfiles/f0516fa1-669b-441d-9f11-a33907a2a0b0.gif (Angle sum property of a triangle)
https://upload.wikimedia.org/wikipedia/commons/thumb/b/b2/TriangleInequality.svg/220px-TriangleInequality.svg.png ( Property of lengths of sides of triangle)
[Author - Kripa S]
1. Can a median of a side of triangle be out of the triangle ? Try and see.
2. Draw one equilateral triangle, one isosceles triangle, one scalene triangle. Find their altitudes and means. What is common about them?
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