Week 28 DCA Review

1
Week 28 DCA Review
Name _________________________________ Date
________________ Period ___________

• 1.) The circumference of the circular Frisbee
• is 24 inches. Which expression can be used to
  find the diameter?

6.) The perimeter of an equilateral triangle is
30 inches. Which of the following could be used
to find s, the length of one side of the
equilateral triangle?
7.) John wants to put grass in a rectangular
backyard. The backyard measures 18 feet in
length and 14 feet wide. What is the area of the
backyard in square feet? Alw
8.) A rectangle is shown with a triangle inside.
Which procedure could be used to find the area
of the shaded region?
A Find the area of the triangle and subtract
the area of the rectangle. B Find the
perimeter of the rectangle and add the
perimeter of the triangle. C Find the area of
the rectangle and subtract the area of the
triangle. D Find the area of the rectangle and
add the area of the triangle.
5.) The circumference of a circular pool is 90
feet. Which method can be used to find the
diameter of the pool?
9.) The side lengths and perimeters of some
regular polygons are shown below. Which
geometric figure is represented by the
information in the table below?
Side Length (inches) Perimeter (inches)
2 8
3 12
4 16
5 20
A Triangle B Square C Pentagon D
Hexagon
2
10.) What is the difference between the area of
a football field and a soccer field?
Alw
80 yds
120 yds
50 yds
50 yds
Soccer Field
Football Field
11.) The table below shows the area of a
rectangle where the length stays the same, but
the width changes. Which expression can be used
to find the area of a rectangle that has a length
of 7 units and width of n units?
Length (units) Width (units) Area (square units)
7 2 14
7 3 21
7 4 28
7 n ?
Alw
12.) Joe is painting his ceiling. The area of
the ceiling is 72 square feet. If the width is 8
feet, what is the length?
16.) Find the circumference of the circle.
A 48 in B 12 in C 42 in D 24 in
Alw
A 9 ft B 8 ft C 576 ft D 648
ft
13.) A rectangular poster measures 16 inches
wide by 12 inches tall. What is the perimeter of
the poster? (HINT Add up all the sides)
8 in
17.) Find the area of the irregular shape.
A 28 in B 58 in C 56 in D 116
in
7m
14.) Amy ate 3 triangular shaped cookies last
night. Each triangular cookie had a base of 6
inches and a height of 9 inches. What is the
total area of the cookies Amy ate?
2m
A 49 m2 B 23 m2 C 32 m2 D 59 m2
9m
5m
A 27 in2 B 162 in2 C 54 in2 D
81 in2
18.) Which expression CANNOT be used to find the
circumference?
15.) The radius of a circle is 4 feet. What is
the best estimate of the circumference of the
circle?
10 cm
A Between 10 15 B Between 15 20 C
Between 20 25 D Between 25 30
3
19.) A rectangular prism has dimensions of 9 m,
7 m, and 5 m. What is the volume of the
prism?
22.) A circle has a diameter of 13 inches. Which
is the closest to the area of the circle?
V l w h
A 305 m3 B 315 m3 C 21 m3 D 42
m3
A 26 in2 B 133 in2 C 41 in2 D
531 in2
13 in
20.) Below is a semicircle arch. Which is
closest to the area of the semicircle arch?
23.) What is the volume of the cylinder?
4 in
A 32 in3 B 128 in3 C 384 in3 D
72 in3
8 in
16 ft
24.) A cube has a side length of 3 inches. What
is the volume of the cube?
A 192 ft2 B 768 ft2 C 96 ft2 D
384 ft2
V s3 or V l w h
21.) A box has a volume of 48 cubic inches. If
the width of the box is 3 inches and the height
of the box is 2 inches, what is the length of the
box?
A 9 in3 B 27 in3 C 81 in3 D 72 in3
3 in
V l w h
25.) The perimeter of a square is 24 m. What is
the area of the square?
A 36 m2 B 12 m2 C 72 m2 D 42
m2
A 4 in B 5 in C 6 in D 8 in
26.) Two congruent circles sit in a rectangle.
Each circle has a diameter of 10 inches. What is
the approximate area of the shaded region?
10 in
A 200 in2 B 170 in2 C 47 in2 D 78
in2
20 in
4
Week 28 DCA Review Answers

1. A
2. C
3. B
4. D
5. B
6. A
7. 252 ft2
8. C
9. B
10. 2,000 yds2
11. B
12. A
13. C

1. D
2. C
3. D
4. A
5. A
6. B
7. C
8. D
9. B
10. C
11. B
12. A
13. C