1. Inscribed and Circumscribed Figures

2. Goals: Define “Inscribed” Define “Circumscribed”
Apply and test our definitions!

3. Define: Inscribed A circle inscribed in a triangle
A picture inscribed in stone
A circle inscribed in a triangle
A quadrialteral inscribed in a circle

4. Define: Inscribed
The word is derived from the Latin word “scribere” – to write or draw. It means to draw something inside something else. In Geometry, it usually means drawing one shape inside another so that it just touches.

5. Goals: Define “Inscribed” Define “Circumscribed”
Apply and test our definitions!

6. Define: Circumscribed
Circle circumscribed by a triangle
A quadrilateral circumscribed by a circle

7. Define: Circumscribed
The opposite of inscribed. When a shape is drawn around the outside of another shape, it is called circumscribed – “drawn around”

8. Goals: Define “Inscribed” Define “Circumscribed”
Apply and test our definitions!

9. Quadrilateral Inscribed in a Circle or
A quadrilateral circumscribed by a circle.
All four vertices of the quadrilateral are on the circle

10. Name the figure below: A circle circumscribed by a pentagon
A pentagon inscribed in a circle
A pentagon circumscribed by a circle
A triangle inscribed in a square

11. Name the figure below: A circle circumscribed by a pentagon
A pentagon inscribed in a circle
A pentagon circumscribed by a circle
A money inscribed in a box

12. Just a triangle with two vertices on a circle…Why?

13. Name the figure using “inscribed in” and “circumscribed by”
A _________________ inscribed in _________________
A _________________ circumscribed by _________________

14. How can we name this using “inscribed in” and “circumscribed by”

15. How would you describe this?

16. Goals: Define “Inscribed” Define “Circumscribed”
Apply and test our definitions!

17. Classwork/Homework: Whatever you don’t finish, complete for homework.
GO IN THIS ORDER! In red = must be completed in class for participation!
Finding related dimensions: #10,11,12, Finding Area: #16,17,18
Combined: Set 1:#1,2,7,9,13,14,15,19,20,21

18. Tuesday - Classwork/Homework: Whatever you don’t finish, complete for homework.
GO IN THIS ORDER! In red = must be completed in class for participation!
Solving for area #1-3 Solving for angles #9-10
Combined: #4-5, 11-12

19. Tongue Twister?