head 1.3; access; symbols; locks; strict; comment @# @; 1.3 date 2017.06.18.02.26.21; author root; state Exp; branches; next 1.2; 1.2 date 2017.06.17.12.59.43; author root; state Exp; branches; next 1.1; 1.1 date 2017.06.15.10.17.21; author root; state Exp; branches; next ; desc @This document (కార్యకలాపం 1: కోణ మొత్తము లక్షణం) is re-created by administrator on 17 May 2017 @ 1.3 log @This document (కార్యకలాపం 1: కోణ మొత్తము లక్షణం) is lastly updated by administrator status:PUBLISHED on 18 June 2017 @ text @{ "_id": { "$oid": "59425eb14975ac013bf0f582" }, "_type": "GSystem", "access_policy": "PUBLIC", "altnames": "\u0c15\u0c3e\u0c30\u0c4d\u0c2f\u0c15\u0c32\u0c3e\u0c2a\u0c02 1: \u0c15\u0c4b\u0c23 \u0c2e\u0c4a\u0c24\u0c4d\u0c24\u0c2e\u0c41 \u0c32\u0c15\u0c4d\u0c37\u0c23\u0c02", "annotations": [], "attribute_set": [], "author_set": [ 1 ], "collection_set": [], "comment_enabled": null, "content": "
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\u0c15\u0c3e\u0c30\u0c4d\u0c2f\u0c02  1

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\u2220 A

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\u2220 D

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\u0c15\u0c4b\u0c23\u0c3e\u0c32\u0c28\u0c4d\u0c28\u0c3f\u0c02\u0c1f\u0c3f (\u0c05\u0c02\u0c24\u0c30\u0c4d\u0c17\u0c24) \u0c2e\u0c4a\u0c24\u0c4d\u0c24\u0c02

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\u0c15\u0c3e\u0c30\u0c4d\u0c2f\u0c02  2

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\u0c2e\u0c40 \u0c24\u0c30\u0c17\u0c24\u0c3f \u0c32\u0c4b\u0c28\u0c3f \u0c07\u0c24\u0c30\u0c41\u0c32 \u0c1a\u0c24\u0c41\u0c30\u0c4d\u0c2d\u0c41\u0c1c\u0c3e\u0c32\u0c24\u0c4b \u0c2e\u0c40 \u0c35\u0c3e\u0c1f\u0c3f\u0c28\u0c3f \u0c38\u0c30\u0c3f\u0c2a\u0c4b\u0c32\u0c4d\u0c1a\u0c02\u0c21\u0c3f.

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    \u0c05\u0c35\u0c3f \u0c07\u0c35\u0c3f \u0c12\u0c15\u0c47\u0c32\u0c3e \u0c15\u0c28\u0c3f\u0c2a\u0c3f\u0c38\u0c4d\u0c24\u0c41\u0c28\u0c4d\u0c28\u0c3e\u0c2f\u0c3e?

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    \u0c2e\u0c40\u0c30\u0c41  \u0c05\u0c28\u0c4d\u0c28\u0c3f \u0c1a\u0c24\u0c41\u0c30\u0c4d\u0c2d\u0c41\u0c1c\u0c3e\u0c32 \u0c05\u0c02\u0c24\u0c1f\u0c3e \u0c28\u0c2e\u0c42\u0c28\u0c3e / \u0c15\u0c4d\u0c30\u0c2e\u0c2c\u0c26\u0c4d\u0c27\u0c24\u0c28\u0c41 \u0c17\u0c2e\u0c28\u0c3f\u0c02\u0c1a\u0c3e\u0c30\u0c3e? \u0c2a\u0c30\u0c40\u0c36\u0c40\u0c32\u0c28\u0c28\u0c41 \u0c12\u0c15 \u0c2a\u0c4d\u0c30\u0c24\u0c3f\u0c2a\u0c3e\u0c26\u0c28 \u0c30\u0c42\u0c2a\u0c02\u0c32\u0c4b \u0c35\u0c4d\u0c30\u0c3e\u0c2f\u0c02\u0c21\u0c3f:

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\u0c15\u0c3e\u0c30\u0c4d\u0c2f\u0c02  3

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\u0c15\u0c3e\u0c30\u0c4d\u0c2f\u0c02  4

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\u0c35\u0c3f\u0c38\u0c4d\u0c30\u0c30\u0c23  \u0c15\u0c3e\u0c30\u0c4d\u0c2f\u0c02 -1

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\u0c05\u0c28\u0c4d\u0c28\u0c3f \u0c38\u0c2e\u0c3e\u0c02\u0c24\u0c30 \u0c1a\u0c24\u0c41\u0c30\u0c4d\u0c2d\u0c41\u0c1c\u0c3e\u0c32\u0c15\u0c41 \u0c08 \u0c32\u0c15\u0c4d\u0c37\u0c23\u0c02 (\u0c05\u0c02\u0c24\u0c30\u0c4d\u0c17\u0c24 \u0c15\u0c4b\u0c23\u0c3e\u0c32 \u0c2e\u0c4a\u0c24\u0c4d\u0c24\u0c02) \u0c35\u0c30\u0c4d\u0c24\u0c3f\u0c38\u0c4d\u0c24\u0c41\u0c02\u0c26\u0c28\u0c3f \u0c2e\u0c40\u0c30\u0c41 \u0c05\u0c28\u0c41\u0c15\u0c41\u0c02\u0c1f\u0c41\u0c28\u0c4d\u0c28\u0c3e\u0c30\u0c3e? \u0c0e\u0c02\u0c26\u0c41\u0c15\u0c41 \u0c32\u0c47\u0c26\u0c3e \u0c0e\u0c02\u0c26\u0c41\u0c15\u0c41 \u0c15\u0c3e\u0c26\u0c41?

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Angle Sum Property of Quadrilaterals

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Task 1

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Draw a quadrilateral ABCD and measure its angles. Record in the table below.
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Task 2

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Compare your quadrilateral with those of the other groups in your class.

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    Do they appear the same?

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    Do you observe and pattern/regularity across all the quadrilaterals? Write observation in the form of a conjecture:

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Task 3

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Refer to the pattern observed in Task 2.

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    Do you think this pattern will hold true for ALL quadrilaterals?

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    Why or why not?

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Task 4

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Draw a quadrilateral and join any one of its diagonals. Without measuring, can you say what the sum of the interior angles of this quadrilateral will be? Write your reasons.
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Extension Task-1

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Do you think this property will hold true for all parallelograms? Why or why not?

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