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SAT Math: Geometry Formulas

Instructions:

Answer 35 questions in 15 minutes.
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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. Surface area of a sphere with radius 2
12-35-37
3(root3)
4(pi)2^2= 16(pi)
3^2(root3)/4= 9(root3)/4

2. Diagonal of a cube with side 3
5-12-13
s^2(root3)/4
3(root3)
4(pi)3^2= 36(pi)

3. Pythagorean triple beginning with 12
12-35-37
2^2(root3)/4= root3
1^2/2= 1/2
4(1+2)/2= 6

4. Total degrees in n-sided polygon
4/3(pi)r^3
180(n-2)
(3*6)/2= 9
b*h

5. Pythagorean triple beginning with 5
(1*2)/2= 1
4(pi)2^2= 16(pi)
180(n-2)
5-12-13

6. Pythagorean triple beginning with 8
4(1+2)/2= 6
8-15-17
3^2(root3)/4= 9(root3)/4
x^2/2

7. Total degrees in 100 sided polygon
3^2/2= 9/2
180(100-2)= 17640
2^2/2= 2
s^2(root3)/4

8. Parallelogram with equal sides
4/3(pi)r^3
5(2+3)/2= 15
rhombus
(d1*d2)/2

9. Surface area of a sphere with radius 3
s^2(root3)/4
4/3(pi)r^3
4(pi)3^2= 36(pi)
b*h

10. Pythagorean triple beginning with 9
9-40-41
5-12-13
2^2/2= 2
b*h

11. Area of a trapezoid - given bases - 1 and 2 - height 4
8-15-17
4(1+2)/2= 6
2^2/2= 2
3(root3)

12. Area of an equilateral triangle with side s
4^2/2= 8
(1*2)/2= 1
rhombus
s^2(root3)/4

13. Formula for the surface area of a sphere
3^2(root3)/4= 9(root3)/4
3(root3)
4(pi)r^2
1/3*bh

14. Area of a rhombus - given diagonals - 1 and 2
(1*2)/2= 1
x^2/2
12-35-37
(d1*d2)/2

15. Pythagorean triple beginning with 7
7-24-25
3(root3)
4(pi)r^2
8-15-17

16. Area of a square with a diagonal of 4
4^2/2= 8
root3(root3)= 3
3(root3)
s(root3)/2

17. Diagonal of a cube with side root3
4^2/2= 8
20-21-29
12-35-37
root3(root3)= 3

18. Diagonal of a cube with side s
180(100-2)= 17640
3^2/2= 9/2
4(pi)r^2
s(root3)

19. Volume of a sphere
4/3(pi)r^3
(d1*d2)/2
1^2/2= 1/2
2^2/2= 2

20. Volume of a cone and pyramid
1/3*bh
20-21-29
3^2/2= 9/2
5(2+3)/2= 15

21. Area of a square with a diagonal of 1
s(root3)/2
180(n-2)
8-15-17
1^2/2= 1/2

22. Area of a square with a diagonal of 3
180(n-2)
1^2/2= 1/2
3^2/2= 9/2
2^2(root3)/4= root3

23. Total degrees in 200 sided polygon
(3*6)/2= 9
h(b1+b2)/2
180(100-2)= 17640
180(200-2)= 35640

24. Area of a trapezoid given bases 2 and 3 - height 5
9-40-41
(1*2)/2= 1
1^2/2= 1/2
5(2+3)/2= 15

25. Pythagorean triple beginning with 20
(4/3)(pi)3^3= 36(pi)
20-21-29
4/3(pi)r^3
4(pi)r^2

26. Volume of a cylinder and prism
3^2/2= 9/2
b*h
180(100-2)= 17640
8-15-17

27. Area of a rhombus - given diagonals - 3 and 6
(3*6)/2= 9
7-24-25
3^2(root3)/4= 9(root3)/4
4(pi)3^2= 36(pi)

28. Area of an equilateral triangle with side 3
(4/3)(pi)3^3= 36(pi)
3^2(root3)/4= 9(root3)/4
5-12-13
(3*6)/2= 9

29. Area of a square with a diagonal of x:
x^2/2
2^2/2= 2
rhombus
h(b1+b2)/2

30. Area of an equilateral triangle with side 2
s^2(root3)/4
2^2(root3)/4= root3
5-12-13
s(root3)/2

31. Area of a square with a diagonal of 2
1/3*bh
3^2/2= 9/2
2^2/2= 2
h(b1+b2)/2

32. Volume of a sphere given radius 3
(4/3)(pi)3^3= 36(pi)
1^2/2= 1/2
root3(root3)= 3
3(root3)

33. Area of a trapezoid - given bases b - height h
180(n-2)
h(b1+b2)/2
12-35-37
b*h

34. Area of a rhombus - given diagonals d
180(200-2)= 35640
1^2/2= 1/2
(d1*d2)/2
4^2/2= 8

35. Height of equilateral triangle with side s
s(root3)/2
4(pi)r^2
(1*2)/2= 1
8-15-17