Page 119 - IM_FL_Geometry_Print Sample

Lesson 4 Practice Problems
Problem Statement
A given circle has radius 10 units. For each angle measure, nd the area of a sector of this circle with that central angle.
a. b.
c. radians
d. radians
e. 1 radian f. 2 radians
Solution
a. b. c. d. e. f.
square units square units
square units
square units 50 square units
100 square units
Problem Statement
Which of these pizza slices gives the best value (the most pizza per dollar spent)?
A. A slice with a radius of 12 inches, angle of B. A slice with a radius of 8 inches, angle of C. A slice with a radius of 6 inches, angle of
D. A slice with a radius of 6 inches, angle of
Solution
D
, and a cost of $3 per slice. , and a cost of $2 per slice.
radians, and a cost of $2 per slice. radians, and a cost of $1 per slice.
square units.
Problem Statement
Select all the sectors which have an area of
46
Teacher Guide