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Answers
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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