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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. Area of a trapezoid given bases 2 and 3 - height 5
rhombus
3^2/2= 9/2
4/3(pi)r^3
5(2+3)/2= 15

2. Volume of a cone and pyramid
4(pi)r^2
20-21-29
1^2/2= 1/2
1/3*bh

3. Total degrees in 100 sided polygon
9-40-41
4^2/2= 8
180(100-2)= 17640
5(2+3)/2= 15

4. Area of a square with a diagonal of 1
1^2/2= 1/2
4^2/2= 8
20-21-29
3^2/2= 9/2

5. Area of a rhombus - given diagonals d
(4/3)(pi)3^3= 36(pi)
s(root3)/2
4/3(pi)r^3
(d1*d2)/2

6. Pythagorean triple beginning with 7
1^2/2= 1/2
9-40-41
7-24-25
3^2/2= 9/2

7. Pythagorean triple beginning with 5
(3*6)/2= 9
5-12-13
180(n-2)
3(root3)

8. Volume of a cylinder and prism
root3(root3)= 3
2^2(root3)/4= root3
b*h
x^2/2

9. Diagonal of a cube with side s
s(root3)
180(100-2)= 17640
root3(root3)= 3
3(root3)

10. Diagonal of a cube with side 3
3(root3)
180(100-2)= 17640
4(pi)r^2
180(n-2)

11. Pythagorean triple beginning with 8
h(b1+b2)/2
8-15-17
s^2(root3)/4
2^2(root3)/4= root3

12. Pythagorean triple beginning with 9
(d1*d2)/2
3^2(root3)/4= 9(root3)/4
9-40-41
5(2+3)/2= 15

13. Area of a trapezoid - given bases - 1 and 2 - height 4
4(1+2)/2= 6
(d1*d2)/2
(1*2)/2= 1
4(pi)3^2= 36(pi)

14. Area of a rhombus - given diagonals - 1 and 2
20-21-29
3^2(root3)/4= 9(root3)/4
(1*2)/2= 1
180(200-2)= 35640

15. Formula for the surface area of a sphere
4(pi)r^2
180(200-2)= 35640
4(pi)2^2= 16(pi)
b*h

16. Total degrees in n-sided polygon
180(200-2)= 35640
180(n-2)
rhombus
root3(root3)= 3

17. Area of a square with a diagonal of x:
s^2(root3)/4
1^2/2= 1/2
x^2/2
3^2(root3)/4= 9(root3)/4

18. Area of a square with a diagonal of 2
s^2(root3)/4
1/3*bh
(d1*d2)/2
2^2/2= 2

19. Area of a trapezoid - given bases b - height h
(1*2)/2= 1
5(2+3)/2= 15
8-15-17
h(b1+b2)/2

20. Pythagorean triple beginning with 20
20-21-29
h(b1+b2)/2
4(1+2)/2= 6
5(2+3)/2= 15

21. Height of equilateral triangle with side s
1/3*bh
s(root3)/2
s(root3)
3^2(root3)/4= 9(root3)/4

22. Area of an equilateral triangle with side s
s^2(root3)/4
20-21-29
(4/3)(pi)3^3= 36(pi)
4(pi)2^2= 16(pi)

23. Volume of a sphere
4(1+2)/2= 6
180(n-2)
4/3(pi)r^3
2^2/2= 2

24. Surface area of a sphere with radius 2
3^2(root3)/4= 9(root3)/4
4^2/2= 8
180(200-2)= 35640
4(pi)2^2= 16(pi)

25. Volume of a sphere given radius 3
(4/3)(pi)3^3= 36(pi)
180(100-2)= 17640
(3*6)/2= 9
4(pi)2^2= 16(pi)

26. Parallelogram with equal sides
4^2/2= 8
3^2(root3)/4= 9(root3)/4
rhombus
s(root3)/2

27. Area of a square with a diagonal of 3
(d1*d2)/2
3^2/2= 9/2
7-24-25
4(1+2)/2= 6

28. Area of an equilateral triangle with side 2
4^2/2= 8
2^2/2= 2
2^2(root3)/4= root3
(d1*d2)/2

29. Area of an equilateral triangle with side 3
20-21-29
root3(root3)= 3
3^2(root3)/4= 9(root3)/4
180(200-2)= 35640

30. Area of a rhombus - given diagonals - 3 and 6
180(100-2)= 17640
(4/3)(pi)3^3= 36(pi)
(3*6)/2= 9
5-12-13

31. Diagonal of a cube with side root3
root3(root3)= 3
2^2/2= 2
4(pi)r^2
s(root3)

32. Surface area of a sphere with radius 3
3^2/2= 9/2
4^2/2= 8
4(pi)3^2= 36(pi)
4/3(pi)r^3

33. Area of a square with a diagonal of 4
(4/3)(pi)3^3= 36(pi)
(3*6)/2= 9
x^2/2
4^2/2= 8

34. Total degrees in 200 sided polygon
(4/3)(pi)3^3= 36(pi)
4(1+2)/2= 6
180(200-2)= 35640
4^2/2= 8

35. Pythagorean triple beginning with 12
12-35-37
(d1*d2)/2
3(root3)
x^2/2