@What is the circumference of a circle whose diameter is 4cm?
12.6 cm
6.3 cm
3.1 cm

@What is the area of a cricle whose radius is 5cm?
78.5 cm
19.6 cm
31.4 cm

@What is the radius of a circle whose area is 15cm?
2.2 cm
22.8 cm
3.9 cm

@What is the diameter of a circle whose circumference is 18.85cm?
6.0 cm
3.0 cm
2.45 cm

@What is the area of a circle whose diameter is 9cm?
63.6 cm
254.5 cm
28.3 cm

@What is the radius of a circle whose area is 67cm?
4.62 cm
21.33 cm
10.66 cm

@What is the diameter of a circle whose circumference is 10cm?
3.18 cm
1.59 cm
1.78 cm

@What is the radius of a circle whose diameter is 15cm?
7.0 cm
4.77 cm
2.38 cm

@What is the area of a cricle whose diameter is 7cm?
38.5 cm
153.9 cm
22.0 cm

@What is the radius of a circle whose area is 100cm?
5.65 cm
31.8 cm
50.0 cm

@Look at the diagram. The distance w to x is known as:
#cir1
an arc
the perimeter
a segment

@Look at the diagram. The shaded region is called:
#cir1
a sector
a segment
a chord

@Look at the diagram. The line z is called:
#cir2
a tangent
a chord
a bisector

@Look at the diagram. The shaded region is known as:
#cir2
a segment
a chord
a sector