Difference between revisions of "Altitudes and orthocenter of a triangle"
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| Line 1: | Line 1: | ||
=== Objectives === | === Objectives === | ||
| − | Introduce altitudes of a triangle | + | Introduce altitudes of a triangle and their point of concurrence. |
===Estimated Time=== | ===Estimated Time=== | ||
30 minutes | 30 minutes | ||
Revision as of 09:59, 29 April 2019
Objectives
Introduce altitudes of a triangle and their point of concurrence.
Estimated Time
30 minutes
Prerequisites/Instructions, prior preparations, if any
Types of triangles and concept of altitudes should have been covered.
Materials/ Resources needed
Digital resources: Laptop, geogebra file, projector and a pointer.
Geogebra resources: This geogebra file has been done by ItfC - Edu- Team.
Process (How to do the activity)
- Project the geogebra file and ask the following questions.
- Developmental Questions:
- Which type of triangle is this ?
- What is an altitude ?
- How do we construct an altitude ?
- What is the point of concurrence of 3 altitudes called ?
- Identify the position of point of concurrence in different triangles.
- Evaluation:
- What are the positions of orthocentre in different types of triangles.
- Question Corner:
- Find the applications of orthocentre.