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SAT Math: Geometry Formulas

Instructions:

Answer 35 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Area of a rhombus - given diagonals - 3 and 6
(3*6)/2= 9
2^2/2= 2
7-24-25
4(pi)2^2= 16(pi)

2. Diagonal of a cube with side s
1/3*bh
7-24-25
s(root3)
2^2/2= 2

3. Volume of a cone and pyramid
1/3*bh
7-24-25
4(1+2)/2= 6
s(root3)

4. Pythagorean triple beginning with 5
9-40-41
(4/3)(pi)3^3= 36(pi)
root3(root3)= 3
5-12-13

5. Surface area of a sphere with radius 2
5-12-13
4(pi)r^2
4(pi)2^2= 16(pi)
(1*2)/2= 1

6. Pythagorean triple beginning with 7
12-35-37
1^2/2= 1/2
3^2/2= 9/2
7-24-25

7. Area of an equilateral triangle with side 3
4^2/2= 8
s^2(root3)/4
3^2(root3)/4= 9(root3)/4
4(pi)3^2= 36(pi)

8. Volume of a cylinder and prism
4(pi)3^2= 36(pi)
b*h
2^2/2= 2
(1*2)/2= 1

9. Area of a square with a diagonal of 4
4^2/2= 8
5(2+3)/2= 15
4(pi)2^2= 16(pi)
180(n-2)

10. Area of a square with a diagonal of 1
8-15-17
1^2/2= 1/2
7-24-25
s(root3)

11. Diagonal of a cube with side root3
4(pi)2^2= 16(pi)
5-12-13
root3(root3)= 3
180(n-2)

12. Area of a square with a diagonal of x:
s(root3)
9-40-41
3(root3)
x^2/2

13. Area of a rhombus - given diagonals - 1 and 2
(1*2)/2= 1
5-12-13
h(b1+b2)/2
4(1+2)/2= 6

14. Area of a square with a diagonal of 2
(3*6)/2= 9
(4/3)(pi)3^3= 36(pi)
(d1*d2)/2
2^2/2= 2

15. Height of equilateral triangle with side s
s(root3)/2
root3(root3)= 3
3^2/2= 9/2
2^2(root3)/4= root3

16. Area of a square with a diagonal of 3
s(root3)/2
3^2/2= 9/2
(1*2)/2= 1
x^2/2

17. Area of a trapezoid - given bases b - height h
3^2/2= 9/2
3(root3)
4(1+2)/2= 6
h(b1+b2)/2

18. Pythagorean triple beginning with 20
8-15-17
4(1+2)/2= 6
4/3(pi)r^3
20-21-29

19. Volume of a sphere given radius 3
4(pi)3^2= 36(pi)
(4/3)(pi)3^3= 36(pi)
4/3(pi)r^3
x^2/2

20. Total degrees in 100 sided polygon
4(pi)r^2
180(100-2)= 17640
5-12-13
4(pi)2^2= 16(pi)

21. Pythagorean triple beginning with 8
8-15-17
180(100-2)= 17640
2^2(root3)/4= root3
root3(root3)= 3

22. Parallelogram with equal sides
9-40-41
rhombus
180(200-2)= 35640
s^2(root3)/4

23. Diagonal of a cube with side 3
x^2/2
3(root3)
4(pi)2^2= 16(pi)
3^2/2= 9/2

24. Total degrees in n-sided polygon
s^2(root3)/4
180(n-2)
x^2/2
1/3*bh

25. Area of a trapezoid given bases 2 and 3 - height 5
2^2(root3)/4= root3
5(2+3)/2= 15
(1*2)/2= 1
root3(root3)= 3

26. Formula for the surface area of a sphere
4(pi)r^2
h(b1+b2)/2
x^2/2
180(n-2)

27. Pythagorean triple beginning with 9
5-12-13
4(pi)r^2
4/3(pi)r^3
9-40-41

28. Surface area of a sphere with radius 3
5-12-13
4(pi)3^2= 36(pi)
180(100-2)= 17640
1^2/2= 1/2

29. Total degrees in 200 sided polygon
180(200-2)= 35640
1^2/2= 1/2
(3*6)/2= 9
(1*2)/2= 1

30. Area of an equilateral triangle with side 2
12-35-37
8-15-17
2^2/2= 2
2^2(root3)/4= root3

31. Area of a rhombus - given diagonals d
rhombus
20-21-29
9-40-41
(d1*d2)/2

32. Area of an equilateral triangle with side s
4(pi)2^2= 16(pi)
s(root3)/2
s^2(root3)/4
7-24-25

33. Volume of a sphere
4/3(pi)r^3
8-15-17
7-24-25
1/3*bh

34. Pythagorean triple beginning with 12
root3(root3)= 3
12-35-37
5-12-13
9-40-41

35. Area of a trapezoid - given bases - 1 and 2 - height 4
2^2/2= 2
4(1+2)/2= 6
7-24-25
s(root3)