Area/ Circumference
Linear Scale Factor/Area Ratio
Arc Length
Area of Sector
Probability
100
Circle with radius= 3cm. Find the area and circumference.
A = 9pi sq.cm C = 6pi cm
100
Work on #1 from the "Review Sheet".
triangle RQS S.F= 3:2 A.R = 9:4
100
If a circle has a radius of 7cm, what is the arc length of an arc with a central angle of 30º?
1.2pi cm
100
If a circle has a radius of 7cm, what is the area of a sector with a central angle of 30º?
4.1pi sq. cm.
100
Find the probability of rolling factors of 10 on a single die.
1/2
200
Circle with diameter = 10in. Find the area and circumference.
A = 25pi sq.in C = 10pi in.
200
Work on #2 from the "Review Sheet".
HJFG S.F. = 2:5 A.R. = 4:25
200
A pizza has a diameter of 10in. If a slice has a central angle of 45º, what's the length of the crust?
1.3 pi in.
200
A pizza has a diameter of 10in. If a slice has a central angle of 45º, what's the area of the slice?
3.1pi sq.in.
200
Find the probability of rolling a multiple of 4 on a single die.
1/6
300
A circle has a circumference of 20pi cm. What is the diameter of the circle?
20cm.
300
Work on #3 from the "Review Sheet".
S.F. = 2:3 P.R. = 2:3
300
A slice of pizza has a central angle of 40º. The pizza has a radius of 4in. What's the length of the crust?
.9pi in.
300
A slice of pizza has a central angle of 40º. The pizza has a radius of 4in. What's the area of this slice?
1.8pi sq. in.
300
A number is chosen at random from 1 to 25. Find the probability of selecting an even number or multiple of 3.
16/25
400
A wire of length 30pi meters is bent to form a circle. What is the radius of the circle?
15m
400
Work on #4 from the "Review Sheet".
S.F. = 2:3 P.R. = 2:3
400
r = 18cm central angle = 60º Find the arc length (round to the nearest tenth).
18.8 cm
400
r = 18cm central angle = 60º Find the area of the sector (round to the nearest tenth).
169.6 sq. cm.
400
A number is chosen at random from 1 to 10. Find the probability of selecting factors of 4 AND factors of 6.
1/5
500
What is the radius of a 144pi square-inch area of a circle?
12in.
500
Work on #5 from the "Review Sheet".
S.F. =2:3 Y = 14 X = 30
500
r = 16m central angle = 75º Find the arc length (round to the nearest tenth).
20.9 m
500
r = 16m central angle = 75º Find the area of the sector (round to the nearest tenth).
2.2 sq. m
500
A number is chosen at random from 1 to 10. Find the probability of selecting a multiple of 2 OR a multiple of 3.
7/10
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