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

Angle Formulas to KNOW for the Test

Segment Relationships to KNOW for the Test

Example Solution: D

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Example Solution: B

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Area & Circumference

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

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.

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)

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