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STANDARD G.C.B.5
GEO

Derive using similarity the fact that the length of the arc intercepted by an angle is proportional to the radius, and define the radian measure of the angle as the constant of proportionality; derive the formula for the area of a sector.  Radian introduced only as unit of measure.

WORKSHEETS Regents-Arc Length 1
GEO/A2/B/SIII
arc length
1/7/6/5 TST
PDF
DOC
TNS
Regents-Arc Length 2
GEO/B/SIII
central angle
1/4/8 TST
PDF
DOC
TNS
Regents-Arc Length 3
A2/B/SIII
radius
2/5/14 TST
PDF
DOC
TNS
Regents-Sectors
GEO/A2/B
9/1/1 TST
PDF
DOC
TNS

Practice-Arc Length

13

WS
PDF
Practice-Sectors

8

WS
PDF
VIDEOS Finding the length of an arc VID
Finding the area of a sector of a circle VID
Finding the area of a segment of a circle
 
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