MHSB - 7 - Maths :: Properties of Triangles

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Objective: To learn on different properties in triangle Subtopics to be covered: - Altitude, Median of a triangle - Perpendicular bisector of sides of triangle - Angle bisectors of angles of triangle Learning Outcome: - Students can find out which is an altitute, median, bisector in a triangle based on given information - Students can identify from the property stated what is asked about the triangle

http://cart.ebalbharati.in/BalBooks/pdfs/701010004.pdf#page=12 (Marathi Medium) http://cart.ebalbharati.in/BalBooks/pdfs/703010004.pdf#page=12 (English Medium)

https://www.youtube.com/watch?v=ljVWqrKKz8o (altitude, median of triangle) https://www.youtube.com/watch?v=kIcaI3LaOkU (angle bisector of triangle) https://www.youtube.com/watch?v=eMQeGz4XQms (side bisector of triangle)

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)

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? 3. https://www.youtube.com/watch?v=YeD4HmdJusI (fun with triangles)

https://drive.google.com/open?id=0BzNF2YyqQxJ-Qlhwd1NNLWxSQkk

Objective: To learn on different properties in triangle Subtopics to be covered:	Altitude, Median of a triangle	Perpendicular bisector of sides of triangle	Angle bisectors of angles of triangle Learning Outcome:	Students can find out which is an altitute, median, bisector in a triangle based on given information	Students can identify from the property stated what is asked about the triangle