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What is the sum of the measures of the a...

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!)

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PSEB-UNDERSTANDING QUADRILATERALS-EXERCISE
  1. How many diagonals does each of the following have? A regular hexagon

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  2. How many diagonals does each of the following have? A triangle

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  3. What is the sum of the measures of the angles of a convex quadrilatera...

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  4. Examine the table. (Each figure is divided into triangles and the sum ...

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  5. Examine the table. (Each figure is divided into triangles and the sum ...

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  6. Examine the table. (Each figure is divided into triangles and the sum ...

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  7. Examine the table. (Each figure is divided into triangles and the sum ...

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  8. What is a regular polygon? State the name of a regular polygon of 3 si...

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  9. What is a regular polygon? State the name of a regular polygon of 4 si...

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  10. What is a regular polygon? State the name of a regular polygon of 6 si...

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  11. Find the angle measure x in the following figures.

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  12. Find the angle measure x in the following figures.

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  13. Find the angle measure x in the following figures.

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  14. Find the angle measure x in the following figures.

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  15. Find x+y+z

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  16. Find x+y+z+w

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  17. Find measure x in Fig 3.9.

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  18. Find the number of sides of a regular polygon whose each exterior angl...

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  19. Find x in the following figures.

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  20. Find x in the following figures.

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