GEOMETRY FORMULAS

Circle:                                            Rectangle:      P = 2L + 2W             

                                                                                 A = L ∙ W

                                                                                               

Triangle:        A = bh

 

Rectangular Prism:     V = LWH              Cylinder:      

Cone:                                                     Sphere:          

 

 

1.) Round 2.7468 to the nearest 1000th.

 

2.) Convert to a fraction and reduce to lowest terms:                 35%

 

3.) Fill in the blank with < or >:

4.) Simplify:        

 

5.) Convert to a percent:           0.8

 

6.) Solve for x: 

 

7.) Convert to a mixed number:

 

8.) Subtract and reduce, if possible:         

 

9.) Divide:        0.276 ÷ 1.2

 

 

10.) Find the perimeter of the rectangle below:

 

 


                                         2 inches

 

                 4 inches           

 

 

11.) A DVD is priced at $30. If it goes on sale for 20% off, find the sale price.

 

 

12.)  14 is 20% of what number?

 

13.) Simplify using order of operations: 

 

14.) Subtract:       47 – 2.83

 

15.) Divide:      (-30) ÷ (-5)

 

16.) Solve for x:           

 

17.) Simplify:         

 

18.) Find the complement of 31°.

 

19.) Find the missing side of the right triangle below:

 

 

 


                          13

 

 

 


                     12

 

20.) Answer TRUE or FALSE (explain your answer!):        

21.) Answer TRUE or FALSE (explain your answer!):          

 

22.) Find the area of a circle with diameter 8 feet.

        (Leave your answer in terms of )

 

23.) Factor:      4x + 2y – 10z

24.) Convert to a decimal:        

25.) Find the volume of the figure below:

 

 

 

 


    3 cm

 

                                  1.5 cm

                   2 cm

 

 

26.) Subtract:        -12 – (-10)

 

27.) Three years ago, Ken’s job earned him $8 per hour.

            If he now earns $12 per hour, find the percent increase in his wages.

 

28.) Simplify using order of operations: 

 

29.) Add and reduce, if possible:          

 

30.) The ratio of students to teachers at a certain school is 20:1.

            How many students are there if the school employs 40 teachers?

 

 

Questions 31, 32, and 33 refer to the following data:          5, 10, 4, 15, 15, 2, 4, 9

 

31.) Find the mean.

 

32.) Find the median.

 

33.) Find the mode(s).

 

34.) Convert to a fraction and reduce to lowest terms:   0.08

 

35.) Multiply:          (-8)∙(4)

36.) Write in order from smallest to largest:            , 0.09, , 0.5

37.) Solve for x:           

38.) Convert  to a percent.

39.) The sum of three times a number and 18 is 114.  Find the number.

 

40.) Find the perimeter and area of the triangle below:

 

 


            3.1                        3.3                    (height = 2)

 

                                  

                          4

 

 

 

41.) Find the volume of a cone if the radius is 6 ft and the height is 10 ft.

            (Leave your answer in terms of )

 

42.) Divide and reduce to lowest terms, if possible:             

43.) Convert to an improper fraction:               

44.) Write as a ratio in lowest terms:                 2.4 to 3.6

 

45.) Write in words:        4.0023

 

46.) Simplify using order of operations: 

 

47.) Multiply:          2.31 ∙ 4.2

 

48.) Simplify:                (5a – 3b) – (2a + 4b)

 

 

 

                                                                                            A

 

 

Questions 49 and 50 refer to the triangle to the right:

 

 

                                                                                              B                                         C

 

 

49.) If = 89° and = 37°,  find .

 

 

 

 

50.) Is  acute, obtuse, or right?

 

 

 

 

 

 

 

 

 

ANSWERS

 

1.)        2.747               2.)                          3.)        >                      4.)        x7

 

5.)        80%                 6.)        x = 16              7.)                          8.)       

 

9.)        .23                   10.)      12 inches          11.)      $24                  12.)      x = 70

 

13.)      6                      14.)      44.17               15.)      6                      16.)      x = 6

 

17.)                       18.)      59°                   19.)      x = 5                20.)      TRUE

 

21.)      FALSE            22.)      16  ft2           23.)      2(2x+1y-5z)     24.)      .45

 

25.)      9 cm3               26.)      -2                     27.)      50%                 28.)      -11

 

29.)                        30.)      800 students     31.)      8                      32.)      7

 

33.)      4 and 15           34.)                        35.)      -32                   36.)      .09,.5,

 

37.)      x = 3                38.)      120%               39.)      x = 32              40.)      P=10.4   A=4

 

41.)      120   ft3        42.)                         43.)                        44.)     

 

45.)      four and twenty-three ten-thousandths                           46.)     

 

47.)      9.702               48.)      3a-7b               49.)      54°                   50.)      acute