3. 7-7 Areas of Circles and Sectors
To find the areas of circles, sectors, and segments of circles
With the formula for the area of a circle, students will use clear definitions of both the area of a sector of a circle and the area of a segment of a circle, computing both quantities.

6. Check Understanding

12. 10-7 Quiz
The following questions are to help you determine if you understood today’s lesson. Please ask questions if you miss one and don’t understand why. Be sure to record the number you get right on your portfolio sheet!

13. Please make your selection...
1. Find the area of the circle. Leave your answer in terms of  .
25.92 m2
1.8 m2
12.96 m2
46.66 m2
Non-Response Grid

14. Please make your selection...
2. Find the area of the circle. Leave your answer in terms of  .
4.2025 m2
8.405 m2
16.81 m2
11.2 m2
Non-Response Grid

15. Please make your selection...
3. Find the area of the figure to the nearest tenth.
8.2 in.2
74.2 in.2
148.4 in.2
23.6 in.2
Non-Response Grid

16. Please make your selection...
4. Find the area of a sector with a central angle of 180° and a diameter of 5.6 cm. Round to the nearest tenth.
49.2 cm2
12.3 cm2
2.2 cm2
5.6 cm2
Non-Response Grid

17. Please make your selection...
5. Find the exact area of the shaded region.
Non-Response Grid

18. ASSIGNMENT
10-7 p #8-44 even
Be sure to RATE your understanding of the lesson after you finish it AND give me one complete sentence as to why you rated yourself that way then summarize what the lesson was about in a sentence or two.