Arc Length & Sector Area
Problem #1 - Approximate Length of Arc
7.85 meters
Problem #6 - Approximate
113.1 feet2
Problem #17
(x+10)(x-10)
Problem #2 - Exact area of pink sector (in terms of pi)
21pi/4 meters2
Problem #7 - (b) - Exact
96pi meters2
Problem #10
-8
Problem #3(b)
Yes
Problem #8
yes
Problem #19
59o