1. Pre-AP BELLWORK

3. What to study for test tomorrow… - How to measure angles with a protractor - How to calculate angle measure and missing variables using angle theorems in section 1-4 - Distance and Midpoint - Finding an endpoint given the midpoint and endpoint - Find the perimeter and area of squares and rectangles. - Find the circumference and area of circles - Factor polynomials - Word Wall words

4. 1-7 Perimeter, Circumference, and AREA

5. Area(rectangle): bh Perimeter(rectangle):2b + 2h Area(square): s² Perimeter(square): 4s

6. Ex 1 Find the area and Perimeter. 16 m 33 m Area = Multiply sides

7. Ex 2 Find the area. 24 ft 66 ft Area = Multiply sides

8. Ex 3 Find the area and Perimeter. with sides 16.1 cm. 16.1 cm Area = Multiply sides 16.1 cm

9. Ex 4 Find the area of square with sides 19.2 m. 19.2 m Area = Multiply sides 19.2 m

10. Ex 5 Graph & Find the area of rectangle ABCD A(-5,6) B(-5,-4) C(-1,-4) D(-1,6) 10 units 4 units

11. Formulas for Circles AA CC or CC  (use 3.14 for )  r is the radius  d is the diameter

12. Ex 1 Find the circumference of a circle with a diameter of 7 cm. (use 3.14 for ) C = ( )* ( ) 7 3.14 C =21.98 cm

13. Ex 2 Find the circumference of a circle. (use 3.14 for ) C = ( )* ( ) 9.8 3.14 C =30.772 cm 9.8 cm

14. Ex 3 Find the circumference of a circle with a radius of 3 cm. (use 3.14 for ) C = 2( )* ( ) 3.14 3 C =18.84 cm

15. Ex 4 Find the Area of a circle with radius of 10 cm. (use 3.14 for ) A = ( )* ( ) 2 3.14 10 A =314 cm 2

16. Ex 5 Find the Area of a circle. (use 3.14 for ) A = ( )* ( ) 2 3.14 0.7 A =1.5386 m 2 1.4 m r = ½ d r = ½ (1.4) r = 0.7 Notice: They gave us the diameter…

17. Ex 6 Find the Area of a circle. (use 3.14 for ) A = ( )* ( ) 2 3.14 1.4 A =6.1544 m 2 2.8 m r = ½ d r = ½ (2.8) r = 1.4 Notice: They gave us the diameter…

18. Ex.7 Given a circle with a circumference of 94 inches. Find the radius. Find the diameter.

19. Ex.8 Given a circle with an area of 74 cm². Find the radius.