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ABC is a right-angled triangle and O is ...

ABC is a right-angled triangle and O is the mid point of the side opposite to the right angle. Explain why O is equidistant from A, B and C. (The dotted lines are drawn additionally to help you).

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PSEB-UNDERSTANDING QUADRILATERALS-EXERCISE
  1. RENT is a rectangle (Fig 3.41). Its diagonals meet at O. Find x, if OR...

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  2. State whether True or False. All rectangles are squares

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  3. State whether True or False. All kites are rhombuses.

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  4. State whether True or False. All rhombuses are parallelograms

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  5. State whether True or False. All rhombuses are kites.

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  6. State whether True or False. All squares are rhombuses and also rectan...

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  7. State whether True or False. All parallelograms are trapeziums.

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  8. State whether True or False. All squares are not parallelograms.

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  9. State whether True or False. All squares are trapeziums.

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  10. Identify all the quadrilaterals that have. four sides of equal length

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  11. Identify all the quadrilaterals that have. four right angles

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  12. Explain how a square is. a quadrilateral

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  13. Explain how a square is. a parallelogram

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  14. Explain how a square is. a rhombus

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  15. Explain how a square is. a rectangle

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  16. Name the quadrilaterals whose diagonals. bisect each other

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  17. Name the quadrilaterals whose diagonals. are perpendicular bisectors o...

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  18. Name the quadrilaterals whose diagonals. are equal

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  19. Explain why a rectangle is a convex quadrilateral.

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  20. ABC is a right-angled triangle and O is the mid point of the side oppo...

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