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°=

IB Revision: Radians, Arcs, Sectors

Name What we find

Formula Unit

10 cm

θ

IB Revision: Radians, Arcs, Sectors

Name What we find

Formula Unit

Arc Length cm

10 cm

θ

IB Revision: Radians, Arcs, Sectors

Name What we find

Formula Unit

Arc Length cm5 m

θ

IB Revision: Radians, Arcs, Sectors

Name What we find

Formula Unit

Arc Length cm

Sector Area m2

5 m

θ

IB Revision: Radians, Arcs, Sectors

Name What we find

Formula Unit

Arc Length cm

Sector Area m2

θ

1 km

IB Revision: Radians, Arcs, Sectors

Name What we find

Formula Unit

Arc Length cm

Sector Area m2

Sector Area km2

θ

1 km

IB Revision: Radians, Arcs, Sectors

Name What we find

Formula Unit

Arc Length cm

Sector Area m2

Sector Area km2

3 ft

θ

IB Revision: Radians, Arcs, Sectors

Name What we find

Formula Unit

Arc Length cm

Sector Area m2

Sector Area km2

Sector Length ft2rr 22...

360

3 ft

θ

IB Revision: Radians, Arcs, Sectors

Name What we find

Formula Unit

Arc Length cm

Sector Area m2

Sector Area km2

Sector Length ft2rr 22...

360

5 mm

θ

IB Revision: Radians, Arcs, Sectors

Name What we find

Formula Unit

Arc Length cm

Sector Area m2

Sector Area km2

Sector Length ft

Segment Area mm2

rr 22...360

5 mm

θ

hbr ..2

1..

3602

IB Revision: Radians, Arcs, Sectors

Find the length of the minor arc

Find the area of the sector

IB Revision: Radians, Arcs, Sectors

IB Revision: Radians, Arcs, Sectors

IB Revision: Radians, Arcs, Sectors

IB Revision: Radians, Arcs, Sectors

IB Revision: Radians, Arcs, Sectors

IB Revision: Radians, Arcs, Sectors

IB Revision: Radians, Arcs, Sectors