Difference between revisions of "Deriving formula for area of a kite"
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| − | + | *Estimated Time : 30 minutes. | |
| + | *Materials/ Resources needed: Laptop, geogebra file, projector and a pointer. | ||
| + | *Prerequisites/Instructions, if any | ||
| + | #Basics of a triangle and kite should have been done. | ||
| + | *Multimedia resources: Laptop | ||
| + | *Website interactives/ links/ / Geogebra Applets | ||
| + | *Process: | ||
| + | #The teacher can project the geogebra file on kite. | ||
| + | #Show them that a kite is made of two isosceles traingles. | ||
| + | #Sum of areas of these two triangles would be the area of the kite. | ||
| + | *Developmental Questions | ||
| + | #What is a kite ? | ||
| + | #What are the properties of a kite. | ||
| + | #What other figures can you see in a kite ? | ||
| + | #What types of triangles are these ? | ||
| + | #Identify the two isosceles triangles ? | ||
| + | #What is the formula to find the area of a triangle ? | ||
| + | *Evaluation: | ||
| + | #Choosing which two traingles out of the 8 visible types would be easy to deduce the area of kite ? | ||
| + | *Question Corner: | ||
| + | #Recall the two formulae that you know to find the area of a triangle. | ||
Latest revision as of 11:21, 30 May 2019
- Estimated Time : 30 minutes.
- Materials/ Resources needed: Laptop, geogebra file, projector and a pointer.
- Prerequisites/Instructions, if any
- Basics of a triangle and kite should have been done.
- Multimedia resources: Laptop
- Website interactives/ links/ / Geogebra Applets
- Process:
- The teacher can project the geogebra file on kite.
- Show them that a kite is made of two isosceles traingles.
- Sum of areas of these two triangles would be the area of the kite.
- Developmental Questions
- What is a kite ?
- What are the properties of a kite.
- What other figures can you see in a kite ?
- What types of triangles are these ?
- Identify the two isosceles triangles ?
- What is the formula to find the area of a triangle ?
- Evaluation:
- Choosing which two traingles out of the 8 visible types would be easy to deduce the area of kite ?
- Question Corner:
- Recall the two formulae that you know to find the area of a triangle.