WorksheetsCFA 3.2
Total questions: 12
Worksheet time: 47mins
Name
Class
Date
1.
Find the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer to the nearest tenth of a square inch.
a)
9.2 sq. in.
b)
10.5 sq. in.
c)
31.4 sq. in.
d)
38.2 sq. in.
2.
What is the area of the shaded sector?
a)
339.12 in2
b)
113.04 in2
c)
339.29 in2
d)
None of the above
3.
Find the area of the sector, rounding your answer to 1d.p.
a)
15.4m2
b)
15.3m2
c)
15.5m2
d)
15.6cm2
4.
Find the area of the composite figure
a)
40
b)
9
c)
49
d)
61
5.
What does area mean?
a)
the distance around a shape
b)
half the distance around a shape
c)
the amount of space outside a shape
d)
the amount of space inside a shape
6.
What is the area of the shaded region?
a)
23.1 cm2
b)
5.1 cm2
c)
17.4 cm2
d)
37.3 cm2
7.
6. The figure shows 2 circles inside a trapezoid.
Which procedure should be used to find the area of the shaded region?
Which procedure should be used to find the area of the shaded region?
a)
Subtract the perimeter of the trapezoid from the area of both circles.
b)
Subtract the circumference of both circles from the area of the trapezoid.
c)
Subtract the area of the trapezoid from the area of both circles.
d)
Subtract the area of both circles from the area of the trapezoid.
8.
2. The figure shows a circle inside a triangle. Which equation could be used to find the area of the shaded region?
a)
A = ½bh - 2πr
b)
A = πr² - ½bh
c)
A = ½bh - πd
d)
A = ½bh - πr²
9.
A line from the center of a regular polygon at right angles to any of its sides.
a)
apothem
b)
radius
c)
permimeter
d)
area
10.
Find the area
a)
96 cm2
b)
48 cm2
c)
36 cm2
d)
48 cm
11.
What is the area?
a)
24 cm2
b)
48 cm2
c)
120 cm2
d)
240 cm2
12.
FIND THE AREA OF REGULAR POLYGON
a)
2.61
b)
4.56
c)
2.76
100 %
