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What is the sum of the measures of the angles of a convex quadrilateral? Will this property hold if the quadrilateral is not convex? (Make a non-convex quadrilateral and try)

Posted by Tejo Bhaskar G Gandham 5 years, 4 months ago

CBSE > Class 08 > Mathematics

4 answers

Yogita Ingle 5 years, 4 months ago

The sum of the measures of the angles of a convex quadrilateral is 360° as a convex quadrilateral is made of two triangles.

Angle sum of a convex quadrilateral =(4–2)×180⁰=2×180⁰=360⁰=(4–2)×180⁰=2×180⁰=360⁰
Since, quadrilateral, which is not convex, i.e. concave has same number of sides i.e. 4 as a convex quadrilateral have, thus, a quadrilateral which not convex also hold this property. i.e. angle some of a concave quadrilateral is also equal to 360⁰

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Tejo Bhaskar G Gandham 5 years, 4 months ago

Anybody see

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Tejo Bhaskar G Gandham 5 years, 4 months ago

Please

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Tejo Bhaskar G Gandham 5 years, 4 months ago

Please tell me the answer

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CBSE > Class 08 > Mathematics