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IB Revision: Radians, Arcs, Sectors Relationship between radians and degrees: 0/360 ° 90 ° 180 ° 270 ° 0/2π ½ π π 3/2 π e.g. 1)45 ° = 2)60° = 3)300° =

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Presentation on theme: "IB Revision: Radians, Arcs, Sectors Relationship between radians and degrees: 0/360 ° 90 ° 180 ° 270 ° 0/2π ½ π π 3/2 π e.g. 1)45 ° = 2)60° = 3)300° ="— Presentation transcript:

1 IB Revision: Radians, Arcs, Sectors Relationship between radians and degrees: 0/360 ° 90 ° 180 ° 270 ° 0/2π ½ π π 3/2 π e.g. 1)45 ° = 2)60° = 3)300° = 4)20°= 5)182°=

2 IB Revision: Radians, Arcs, Sectors NameWhat we find FormulaUnit 10 cm θ

3 IB Revision: Radians, Arcs, Sectors NameWhat we find FormulaUnit ArcLengthcm 10 cm θ

4 IB Revision: Radians, Arcs, Sectors NameWhat we find FormulaUnit ArcLengthcm 5 m θ

5 IB Revision: Radians, Arcs, Sectors NameWhat we find FormulaUnit ArcLengthcm SectorAream2m2 5 m θ

6 IB Revision: Radians, Arcs, Sectors NameWhat we find FormulaUnit ArcLengthcm SectorAream2m2 θ 1 km

7 IB Revision: Radians, Arcs, Sectors NameWhat we find FormulaUnit ArcLengthcm SectorAream2m2 SectorAreakm 2 θ 1 km

8 IB Revision: Radians, Arcs, Sectors NameWhat we find FormulaUnit ArcLengthcm SectorAream2m2 SectorAreakm 2 3 ft θ

9 IB Revision: Radians, Arcs, Sectors NameWhat we find FormulaUnit ArcLengthcm SectorAream2m2 SectorAreakm 2 SectorLengthft 2 3 ft θ

10 IB Revision: Radians, Arcs, Sectors NameWhat we find FormulaUnit ArcLengthcm SectorAream2m2 SectorAreakm 2 SectorLengthft 2 5 mm θ

11 IB Revision: Radians, Arcs, Sectors NameWhat we find FormulaUnit ArcLengthcm SectorAream2m2 SectorAreakm 2 SectorLengthft SegmentAreamm 2 5 mm θ

12 IB Revision: Radians, Arcs, Sectors Find the length of the minor arc Find the area of the sector

13 IB Revision: Radians, Arcs, Sectors

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