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From Karnataka Open Educational Resources
A Kite and its properties (view source)
Revision as of 04:55, 20 December 2013
, 04:55, 20 December 2013→Concept # 3. Construction of a kite
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*Process:
*Process:
# The teacher after recaptualating the concept of a kite and its properties.
# The teacher can initially have a recaptualation of the concept of a kite and its properties.
# Give them measures say, "Construct a kite which has its congruent sides as 4 cm and 5 cm a pair with one of its diagnols measuring 6cm.
# Give them measures say, "Construct a kite which has its congruent sides as 4 cm and 6 cm a pair with one of its diagnols measuring 5cm.
# Can project the geogebra file and explain the steps of construction for the given measures.
# Can project the geogebra file and explain the steps of construction for the given measures.
* Draw a rough small kite labelling with the given measures.
* Begin with drawing a line segment, the diagnol of a given measure, here 5 cm. label it as AB.
* Draw a perpendicular bisector to this line segment AB.
* With A as centre construct an arc with 4cm as radius. Mark the intersecting point of arc with the perpendicular bisector as D. Join AD.
* With B as centre construct another arc with the same radius 4cm. You get the same point D as point of intersection .
* Join AD and BD which would measure 4cm each and would become one pair of congruent sides of the kite.
* Similarly draw arcs on the other side taking radius as 6cm to get other pair of congruent sides.
* ADBE would be the specified kite.
*Developmental Questions:
*Developmental Questions:
# What are the properties of a kite ?
# What are the properties of a kite ?
# What are the given measures for constructing a kite.
# What measures are given for constructing a kite ?
# Draw a rough small kite labelling with the given measures.
# By which given measure can we begin the kite construction ?
#
# What is the angle between the two diagnols in a kite ?
#
# For what purpose are we drawing the perpendicular bisector ?
*Evaluation
# What is the purpose of drawing an arc ?
*Question Corner
# What should be measure of the radius of the arc ?
# Why should AD and BD be same ?
# Check if the constructed kite satisfies all the properties of a
*Evaluation:
# For what purpose are drawing the perpendicular bisector ?
*Question Corner:
# Can you think of any other method of kite construction for the given measures ?
===Activity No # ===
===Activity No # ===
