Standardized Test Prep

SAT/ACT

46. A dart hits the square dartboard shown. What is the probability that it lands in the shaded region?

    

    1. 21%
    2. 25%
    3. 50%
    4. 79%
47. A dilation maps Δ J K L cap delta j k l  onto Δ J ′ K ′ L ′ cap delta j , prime k . prime l prime  with a scale factor of 1.2. If J ′ L ′ = 54   cm , j prime l prime . equals 54 cm comma  what is JL?
    6. 43.2 cm
    7. 45 cm
    8. 54 cm
    9. 64.8 cm
48. What is the value of x in the figure below?

    

    1. 1 3 1 third
    2. 2
    3. 3
    4. 4
49. The radius of ⊙ circle dot  P is 4.5 mm. The measure of central ∠ A P B angle eh p b  is 160. What is the length of A B ⌢ modified eh b with frown above
    6. 2 π 2 pi  mm
    7. 4 π 4 pi  mm
    8. 5 π 5 pi  mm
    9. 9 π 9 pi  mm

Short Response

50. The perimeter of a square is 24 ft. What is the length of the square's diagonal?

Mixed Review

See Lesson 10-7.

51. A circle has circumference 20 π 20 pi  ft. What is its area in terms of π ? pi question mark

52. A circle has radius 12 cm. What is the area of a sector of the circle with a 30 ° 30 degrees  central angle in terms of π ? pi question mark

See Lesson 9-4.

Tell what type(s) of symmetry each figure has.

Get Ready! To prepare for Lesson 11-1, do Exercises 56–62.

See Lessons 1-1 and 1-2.

For each exercise, make a copy of the cube below. Shade the plane that contains the indicated points.

56. A, B, and C
57. B, F, and G
58. E, F, and H
59. A, D, and G
60. F, D, and G
61. A, C, and G

62. Draw a net for the cube below.

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