     • date post

28-Nov-2014
• Category

Documents

• view

299

0

Embed Size (px)

description

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!