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Worksheets

Circles, Triangles, Parallelograms OH MY

Total questions: 25

Worksheet time: 1hrs 16mins

Name
Class
Date
1.
What is the diameter?
a)
5 in
b)
10 in
c)
3.14 in
d)
15.84 in
2.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
3.

Find the area of the circle. Select all that apply.

a)

18π in2

b)

9π in2

c)

81π in2

d)

254.34 in2

e)

1017.36 in2

4.

The diameter of the circle is 6 inches. What is the circumference? Select all that apply..

a)

6π in

b)

12π in

c)

3π in

d)

37.68 in

e)

18.84 in

5.
Determine the radius of the penny
a)
59.66 mm
b)
9.5 mm
c)
38 mm
d)
119.32 mm
6.

What is the area of the shaded region?

a)

625 ft2

b)

134.375 ft2

c)

490.625 ft2

d)

1115.625 ft2

7.
What does PI equal?
a)
31.4
b)
3.14
c)
314
8.
Find the area of the triangle. 
a)
20 cm2
b)
56 cm2
c)
28 cm2
d)
27 cm2
9.

What is the area of the figure?

a)

20 cm2

b)

4 cm2

c)

30 cm2

d)

24 cm2

10.

The diagram shows the spot on a basketball court called the “key”. What is the area of the key? Use 3.14 for Π .

a)

284.52 ft2

b)

228 ft2

c)

317 ft2

d)

116.71 ft2

11.
Find the area of the shaded region.
a)
334 km2
b)
345 km2
c)
344 km2
d)
433 km2
12.

A bicycle tire has a diameter of 27 inches. How far does the bike travel along the ground when the wheel rotates once?

a)

84.78 inches

b)

13.5 inches

c)

27 inches

d)

572.265 inches

13.

If you and a friend were solving the area of a composite figure, and broke it up a different way, would you have the same answer?

a)

Yes

b)

No

14.
Find the area of the shape.
a)
5 square meters
b)
9 square meters
c)
4.5 square meters
d)
7.2 square meters
15.
What is the base and the height of the triangle in this composite shape?
a)
base: 8cm
height: 5 cm
b)
base: 5 cm
height: 8 cm
c)
base: 5 cm
height: 5 cm
d)
base: 1 cm
height: 2 cm
16.

A landscaper is designing a backyard. The shaded

portion of the diagram represents the sod that will

need to be planted. How much will it cost to sod the yard if each square foot costs 60¢?

a)

$720

b)

$566.04

c)

$873.06

d)

$566.40

17.

The area of a rectangle is 14.72 in2. What is the length is the height of the rectangle is 2.3 inches?

a)

29.44 inches

b)

12.42 inches

c)

6.4 inches

d)

Not enough information given.

18.

What is the radius of a circle that has a circumference of 59.66 cm?

a)

9.5 cm

b)

19 cm

c)

38 cm

d)

Not enough information is given.

19.

You have a circular table with a radius of 4 feet. How many people can sit at the table if each person needs 2 feet of elbow room?

a)

12 people

b)

13 people

c)

11 people

20.

Find the area of the figure.

a)

110 in2

b)

81 in2

c)

84 in2

d)

150 in2

21.

What is the area of the outside shaded circle? Hint: Be careful finding the radius of the larger circle!

a)

65.94 m2

b)

314 m2

c)

693.94 m2

d)

310.86 m2

22.

What is the name of this image?

a)

Trapezoid

b)

Square

c)

Rectanble

d)

Rhombus

23.

Are these formulas for area of a triangle equivalent (the same)?

a)

Yes

b)

No

c)

What's a formula?

24.

Are these formulas for area of a circle equivalent (the same)?

a)

Yes

b)

No

c)

Ask me later.

25.

What's a nine sided polygon called?

a)

A nineagon

b)

A nonagon

c)

A nogone

d)

Don't play that song again!!!