#1: which term describes the part of the area of a circle formed by an arc and two radii which intersect the endpoints of the arc?
a. diameter of a circle
b. sector of a circle
c. area of a circle
d. circumference of a circle
#2: what is the area of a 60 ° sector of a circle with area 42 pie m^2?
a. 21 pi m^2
b. 7 pi m^2
c. 6 pi m^2
d. 14 pi m^2
#3: what is the approximate area of a circle whose radius is 3 m long? (use 3.14 for pi)
a. 28 m^2
b. 9 m^2
c. 19 m^2
d. 3 m^2
#4 and 5 will be next, so stick around! : -)