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From Karnataka Open Educational Resources
Sum of the interior angles of a quadrilateral (view source)
Revision as of 06:11, 16 April 2019
, 06:11, 16 April 2019→Process (How to do the activity)
* What is the measure of the sum of angles in each quadrilateral? So what is the measure of all the angles of the quadrilateral?
* What is the measure of the sum of angles in each quadrilateral? So what is the measure of all the angles of the quadrilateral?
* Make different quadrilaterals. Divide it into two triangles, measure the angles of the two triangles, check their sum.
* Make different quadrilaterals. Divide it into two triangles, measure the angles of the two triangles, check their sum.
* Tabulate the angles of the two triangles {| class="wikitable" |Observation | colspan="4" |Triangle1 | colspan="4" |Triangle2 |Sum of angles of two triangle Triangle1 + Triangle2 |- | |Angle 1 |Angle 2 | Angle 3 |Sum of angles |Angle 1 |Angle 2 | Angle 3 |Sum of angles | |- |Q1 | | | | | | | | | |- |Q2 | | | | | | | | | |- |Q3 | | | | | | | | | |}
* Tabulate the angles of the two triangles
{| class="wikitable"
|Observation
| colspan="4" |Triangle1
| colspan="4" |Triangle2
|Sum of angles of two triangle
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|Angle 1
|Angle 2
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Angle 3
|Sum of angles
|Angle 1
|Angle 2
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Angle 3
|Sum of angles
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|Q1
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|Q2
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|Q3
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'''Evaluation at the end of the activity'''
'''Evaluation at the end of the activity'''
* Is the sum of any quadrilateral 360<sup>o</sup>.
* Is the sum of any quadrilateral 360<sup>o</sup>.
