Informal Geometry Practice Test

Review the following concepts if needed:

• Geometric Figures Help
• Perimeter Help
• Area of Squares, Rectangles and Triangles Help
• Area of Parallelograms, Trapezoids and Circles Help
• Volume Formulas Help
• Word Problems in Geometry Help
• Square Roots Help
• The Pythagorean Theorem Help

Informal Geometry Practice Test

1. Find the perimeter of a rectangle whose length is 18 feet and whose width is 7 feet.

(a) 11 ft

(b) 25 ft

(c) 50 ft

(d) 126 ft

2. Find the circumference of a circle whose diameter is 24 inches. Use π = 3.14.

(a) 37.68 in.

(b) 75.36 in.

(c) 452.16 in.

(d) 1808.64 in.

3. Find the perimeter of a square whose side is 19 inches.

(a) 361 in.

(b) 57 in.

(c) 38 in.

(d) 76 in.

4. Find the perimeter of a triangle whose sides are 12 yards, 13 yards, and 16 yards.

(a) 41 yd

(b) 82 yd

(c) 20.5 yd

(d) 123 yd

5. If the radius of a circle is 4.8 inches, find the diameter.

(a) 9.6 in.

(b) 15.072 in.

(c) 4.8 in.

(d) 2.4 in.

6. Find the area of a circle whose radius is 9 inches. Use π = 3.14.

(a) 28.26 in. ²

(b) 254.34 in. ²

(c) 1017.36 in. ²

(d) 56.52 in. ²

7. Find the area of a square whose side is 6.2 feet.

(a) 38.44 ft ²

(b) 24.8 ft ²

(c) 1.55 ft ²

(d) 12.4 ft ²

8. Find the area of a trapezoid whose height is 12 inches and whose bases are 7 inches and 14 inches.

(a) 288 in. ²

(b) 252 in. ²

(c) 126 in. ²

(d) 144 in. ²

9. Find the area of a rectangle whose length is 8 inches and whose width is 5 inches.

(a) 40 in. ²

(b) 26 in. ²

(c) 13 in ²

(d) 25 in. ²

10. Find the area of a triangle whose base is 42 yards and whose height is 36 yards.

(a) 78 yd ²

(b) 39 yd ²

(c) 756 yd ²

(d) 1512 yd ²

11. Find the area of a parallelogram whose base is 10 inches and whose height is 5 inches.

(a) 30 in. ²

(b) 50 in. ²

(c) 15 in. ²

(d) 25 in. ²

12. How many square inches are there in 15 square feet?

(a) 2160 in. ²

(b) 180 in. ²

(c) 225 in. ²

(d) 135 in. ²

13. How many square yards are there in 4860 square feet?

(a) 1620 yd ²

(b) 540 yd ²

(c) 810 yd ²

(d) 405 yd ²

14. Find the volume of a sphere whose radius is 9 inches. Use π = 3.14.

(a) 28.26 in. ³

(b) 3052.08 in. ³

(c) 972 in. ³

(d) 2289.06 in. ³

15. Find the volume of a cube whose side is 3 yards in length.

(a) 9 yd ³

(b) 12 yd ³

(c) 18 yd ³

(d) 27 yd ³

16. Find the volume of a cylinder whose base has a radius of 4 inches and whose height is 9 inches. Use π = 3.14.

(a) 452.16 in. ³

(b) 226.08 in. ³

(c) 113.04 in. ³

(d) 1017.36 in. ³

17. Find the volume of a rectangular solid whose length is 14 inches, whose width is 5 inches, and whose length is 7 inches.

(a) 26 in. ³

(b) 52 in. ³

(c) 490 in. ³

(d) 980 in. ³

18. Find the volume of a cone whose base has a diameter of 8 feet and whose height is 12 feet. Use π = 3.14.

(a) 100.48 ft ³

(b) 200.96 ft ³

(c) 803.84 ft ³

(d) 1205.76 ft ³

19. Find the volume of a pyramid whose height is 3 feet and whose base is a square with a side of 4 feet.

(a) 4 ft ³

(b) 8 ft ³

(c) 12 ft ³

(d) 16 ft ³

20. Find the length of the hypotenuse of a right triangle whose sides are 10 inches and 24 inches.

(a) 5 in.

(b) 26 in.

(c) 12 in.

(d) 15 in.

Answers

1. c

2. b

3. d

4. a

5. a

6. b

7. a

8. c

9. a

10. c

11. b

12. a

13. b

14. b

15. d

16. a

17. c

18. b

19. d

20. b