1.

In each of the following figures ABCD. Find the value of x in each case.BHWCX7350>DPOEDugo<OSO5 ANGLE SUM PROPERTY OF A TRIANGLELet us now prove that the sum of the interior angles of a triangle is 180°.ACTIVITYaw and cut out a large triangle as shown in the figure.war and tear them off.

Answer»

(i)45° ( ii) 60° (ii)90° is the correct answer..



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