Free Printable Unit 6 DCA Digital Review

1.

Which formula would you use to find the area of this shape?

a)

A = (b1 + b2)h

b)

A = 1/2bh

c)

A= 1/2(b1 + b2)h

d)

A = bh

2.

Which shape is the base of the pyramid?

a)

triangle

b)

square

c)

all of the triangles

d)

the arrows

3.

Which formula would you use to find the area of the base of the pyramid?

a)

$bh$

b)

$\frac{1}{2}bh$

c)

$\pi r^2$

d)

$\pi d$

4.

What is the area of the base of the pyramid?

a)

$40\ in^2$

b)

$20\ in^2$

c)

$25\ in^2$

d)

$80\ in^2$

5.

What is the formula to find the area of a semicircle?

a)

$\pi r^2$

b)

$2\pi r$

c)

$\pi d$

d)

$\frac{\left(\pi r^2\right)}{2}$

6.

What is the diameter of the semicircle?

a)

1.5

b)

6

c)

3

d)

9

7.

What is the radius of the semicircle?

a)

1.5

b)

6

c)

3

d)

9

8.

What is the area of the triangle?

a)

$104\ cm^2$

b)

$48\ cm^2$

c)

$24\ cm^2$

d)

$112\ cm^2$

9.

What is the area of the rectangle?

a)

$104\ cm^2$

b)

$48\ cm^2$

c)

$24\ cm^2$

d)

$112\ cm^2$

10.

What is the area of the composite figure (entire area)?

a)

$88\ cm^2$

b)

$136\ cm^2$

c)

$24\ cm^2$

d)

$112\ cm^2$

11.

What is the diameter of this circle?

a)

10

b)

5

c)

2.5

d)

25

12.

Which formulas would I use to find the circumference of this circle?

a)

$\pi r^2\$

b)

$2\pi r$

c)

$\pi\cdot r\cdot r$

d)

$\frac{\pi}{d}$

13.

What is the circumference of this circle? Use 3 for $\pi$

a)

15 in

b)

75 in

c)

30 in

d)

60 in

14.

What is the diameter of one of the circles?

a)

12

b)

24

c)

3

d)

6

15.

What is the radius of one of the circles?

a)

12

b)

24

c)

3

d)

6

16.

Which formula would you use to find the area of one of the circles?

a)

$\pi d$

b)

$2\pi r$

c)

$\pi r^2$

d)

$\frac{\pi r^2}{2}$

17.

What is the area of one of the circles? Leave your answer in terms of pi.

a)

$36\pi$

b)

$113.04\pi$

c)

$9\pi$

d)

$28.26\pi$

18.

Mrs. Garcia wants to repaint her front door. She will paint over the red with a new color. She will hire a math student to help her, but you have to convince her that you can do a good job. How will you find the area of the door that will be painted?

a)

I would find the area of the rectangle and the area of the semicircle and then add the areas

b)

I would find the area of the rectangle and the area of the circle and then subtract the areas

c)

I would find the area of the rectangle and the area of a semicircle and then subtract the areas

d)

I would find the area of the rectangle

19.

Ms. Gomez baked a cake with a radius of 4.5 feet. She wants to put strawberries around the cake. Find the circumference of the cake to the nearest hundredth. Use 3.14 for pi.

a)

9 ft

b)

63.59 ft

c)

14.13 ft

d)

28.26 ft

20.

Pablo’s Pizza has a Superbowl Special. You can buy 3 medium pizzas delivered in a special box. The pizzas touch the edge of the box and do not overlap. If the box is 30 inches long, what is the area of ONE pizza?

a)

$100\pi$

b)

$30\pi$

c)

$15\pi$

d)

$25\pi$

21.

Which of the following is the correct process for finding area of a circle?

a)

$\pi\cdot2\cdot r$

b)

$\pi\cdot\pi\cdot r$

c)

$\pi\cdot r$

d)

$\pi\cdot r\cdot r$

22.

A student's work for finding the total surface area of a rectangular prism is shown above. If a company made the net into a box, how much cardboard would be needed to make 1,000 boxes?

a)

1000 in²

b)

158 in²

c)

158,000 in²

d)

1,580 in²

23.

A peanut butter jar has a circumference of 17 inches. Which equation can be used to describe the relationship between pi ( $\pi$ ), the circumference of the peanut butter jar, and the diameter of the peanut butter jar?

a)

$d\ =\ 2\times17\times\pi$

b)

$d\ =\frac{17}{2\pi}$

c)

$d\ =\frac{17}{\pi}$

d)

$d\ =\ 17\ \times\pi$

24.

Which of the following can NOT be used to represent pi?

a)

$\pi$

b)

3.14

c)

6.28

d)

3

25.

How would you find the lateral surface area of the net shown?

a)

Find the area of one triangle

b)

Find the area of just the base which is a square

c)

Find the area of one triangle and multiply by 4, since there are four congruent triangles

d)

Find the sum of the area of all triangles and the area of the base (a square)

Unit 6 DCA Digital Review

Total questions: 25

Worksheet time: 1hrs 2mins

Similar Resources on Wayground