Kungfu math p4 slide23 (rectangles&square)pdf

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Transcript of Kungfu math p4 slide23 (rectangles&square)pdf

  • 1. Geometry Rectangles and SquaresWhat will we learn today? Properties of rectangles and square Finding unknown angles
  • 2. We can find angles in rectangleand square.Lets look at some examples.
  • 3. Angles in a RectangleWe can find 4 right angles in a rectangle.
  • 4. Angles in a SquareWe can find 4 right angles in a square.
  • 5. Try this out!How many angles can you see?
  • 6. Try this out!How many angles can you see? There are 4 angles.
  • 7. Try this out!How many angles are greater than 90?
  • 8. Try this out!How many angles are greater than 90?
  • 9. Try this out!How many angles are smaller than 90?
  • 10. Try this out!How many angles are smaller than 90?
  • 11. How many right angles can you see?
  • 12. How many right angles can you see?
  • 13. Angles in a SquareIf z = 30, what is y? y z
  • 14. Angles in a Square A right angle = 90. To find y, we must make use of z. Since z = 30,y y = 90- 30 = 60 z
  • 15. Are you ready to try out the questions?
  • 16. Visit kungfumath.sg today!