Math, asked by AnjanaGarhewl, 1 year ago

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Answered by Deegenius
0

In the given figure,

In the given figure,AB=AC

In the given figure,AB=ACTherefore,

In the given figure,AB=ACTherefore,<ABC=<ACB=x

In the given figure,AB=ACTherefore,<ABC=<ACB=x<A+<B+<C=180°____________Angle sum property of a triangle

In the given figure,AB=ACTherefore,<ABC=<ACB=x<A+<B+<C=180°____________Angle sum property of a triangle100°+x+x=180°

In the given figure,AB=ACTherefore,<ABC=<ACB=x<A+<B+<C=180°____________Angle sum property of a triangle100°+x+x=180°2x=180°-100°

In the given figure,AB=ACTherefore,<ABC=<ACB=x<A+<B+<C=180°____________Angle sum property of a triangle100°+x+x=180°2x=180°-100°x=80°/2

In the given figure,AB=ACTherefore,<ABC=<ACB=x<A+<B+<C=180°____________Angle sum property of a triangle100°+x+x=180°2x=180°-100°x=80°/2x=40°

In the given figure,AB=ACTherefore,<ABC=<ACB=x<A+<B+<C=180°____________Angle sum property of a triangle100°+x+x=180°2x=180°-100°x=80°/2x=40°Therefore,

In the given figure,AB=ACTherefore,<ABC=<ACB=x<A+<B+<C=180°____________Angle sum property of a triangle100°+x+x=180°2x=180°-100°x=80°/2x=40°Therefore,<ABC=<ECD=40°

In the given figure,AB=ACTherefore,<ABC=<ACB=x<A+<B+<C=180°____________Angle sum property of a triangle100°+x+x=180°2x=180°-100°x=80°/2x=40°Therefore,<ABC=<ECD=40°But these are corresponding angles.

In the given figure,AB=ACTherefore,<ABC=<ACB=x<A+<B+<C=180°____________Angle sum property of a triangle100°+x+x=180°2x=180°-100°x=80°/2x=40°Therefore,<ABC=<ECD=40°But these are corresponding angles.If corresponding angles are equal then the lines are parallel

In the given figure,AB=ACTherefore,<ABC=<ACB=x<A+<B+<C=180°____________Angle sum property of a triangle100°+x+x=180°2x=180°-100°x=80°/2x=40°Therefore,<ABC=<ECD=40°But these are corresponding angles.If corresponding angles are equal then the lines are parallelTherefore,

In the given figure,AB=ACTherefore,<ABC=<ACB=x<A+<B+<C=180°____________Angle sum property of a triangle100°+x+x=180°2x=180°-100°x=80°/2x=40°Therefore,<ABC=<ECD=40°But these are corresponding angles.If corresponding angles are equal then the lines are parallelTherefore,AB||EC

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