1. Unit 4: Circles and Volume
GSE Geometry
Unit 4: Circles and Volume

2. Angle Formulas to KNOW for the Test

3. Segment Relationships to KNOW for the Test

4. Example
Solution: D

5. Example

6. Solution

7. Example
Solution: B

8. Example

9. Solution

10. Area & Circumference

11. Example Find the area of the shaded sector. Round to the nearest tenths.

12. Example Find the measure of the arc (degrees) if the arc length is 3
Example Find the measure of the arc (degrees) if the arc length is 3.91 in2. Round to the nearest tenths.

13. Volume of Solids V = Bh B stands for the area of the base.
Prisms/Cylinders
Cones/Pyramids
Spheres
V = Bh
B stands for the area of the base.
The shape of the base can change.
Circle: A = r2
Square/Rectangle: A = bh = lw
Triangle A = ½ bh
Trapezoid: A = ½ h(b1 + b2)

14. Example

15. Solution

16. Example

17. Example

18. Solution