Arc Length & Sector Area
Surface Area & Volume
Spiral Questions & Factoring
100

Problem #1 - Approximate Length of Arc

7.85 meters

100

Problem #6 - Approximate

113.1 feet2

100

Problem #17

(x+10)(x-10)

200

Problem #2 - Exact area of pink sector (in terms of pi)

21pi/4  meters2

200

Problem #7 - (b) - Exact

96pi meters2

200

Problem #10

-8

300

Problem #3(b)

Yes

300

Problem #8

yes

300

Problem #19

59o