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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 rhombus - given diagonals - 1 and 2
(1*2)/2= 1
(4/3)(pi)3^3= 36(pi)
12-35-37
s(root3)/2

2. Pythagorean triple beginning with 9
4(pi)2^2= 16(pi)
4/3(pi)r^3
9-40-41
root3(root3)= 3

3. Surface area of a sphere with radius 2
5(2+3)/2= 15
4(pi)2^2= 16(pi)
s(root3)/2
9-40-41

4. Area of a square with a diagonal of 2
12-35-37
2^2/2= 2
180(100-2)= 17640
s(root3)/2

5. Area of a square with a diagonal of 3
b*h
3^2/2= 9/2
2^2(root3)/4= root3
7-24-25

6. Area of a trapezoid given bases 2 and 3 - height 5
4/3(pi)r^3
x^2/2
4(pi)2^2= 16(pi)
5(2+3)/2= 15

7. Parallelogram with equal sides
3^2/2= 9/2
7-24-25
3^2(root3)/4= 9(root3)/4
rhombus

8. Pythagorean triple beginning with 7
7-24-25
3^2(root3)/4= 9(root3)/4
rhombus
3^2/2= 9/2

9. Formula for the surface area of a sphere
2^2(root3)/4= root3
7-24-25
4(pi)r^2
180(200-2)= 35640

10. Diagonal of a cube with side 3
3(root3)
4^2/2= 8
s(root3)
x^2/2

11. Pythagorean triple beginning with 12
180(n-2)
4(pi)2^2= 16(pi)
12-35-37
4/3(pi)r^3

12. Total degrees in n-sided polygon
180(n-2)
5(2+3)/2= 15
7-24-25
b*h

13. Area of a square with a diagonal of x:
s(root3)/2
x^2/2
3(root3)
4/3(pi)r^3

14. Pythagorean triple beginning with 8
3(root3)
8-15-17
(1*2)/2= 1
7-24-25

15. Total degrees in 100 sided polygon
b*h
20-21-29
180(100-2)= 17640
4(pi)2^2= 16(pi)

16. Area of a rhombus - given diagonals d
(d1*d2)/2
12-35-37
(3*6)/2= 9
root3(root3)= 3

17. Pythagorean triple beginning with 20
20-21-29
(3*6)/2= 9
4/3(pi)r^3
3^2(root3)/4= 9(root3)/4

18. Area of a trapezoid - given bases b - height h
h(b1+b2)/2
4/3(pi)r^3
12-35-37
180(n-2)

19. Volume of a sphere
180(100-2)= 17640
4/3(pi)r^3
(3*6)/2= 9
s(root3)/2

20. Volume of a sphere given radius 3
(4/3)(pi)3^3= 36(pi)
5-12-13
20-21-29
(3*6)/2= 9

21. Area of a trapezoid - given bases - 1 and 2 - height 4
4(pi)2^2= 16(pi)
root3(root3)= 3
s^2(root3)/4
4(1+2)/2= 6

22. Pythagorean triple beginning with 5
5-12-13
(d1*d2)/2
4(pi)r^2
3^2/2= 9/2

23. Area of an equilateral triangle with side s
s(root3)/2
1/3*bh
s^2(root3)/4
12-35-37

24. Diagonal of a cube with side root3
4(pi)3^2= 36(pi)
root3(root3)= 3
3(root3)
7-24-25

25. Diagonal of a cube with side s
x^2/2
20-21-29
s(root3)
8-15-17

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

27. Area of an equilateral triangle with side 3
x^2/2
9-40-41
3^2(root3)/4= 9(root3)/4
7-24-25

28. Volume of a cylinder and prism
2^2/2= 2
h(b1+b2)/2
b*h
4(pi)2^2= 16(pi)

29. Surface area of a sphere with radius 3
4(pi)3^2= 36(pi)
2^2/2= 2
3(root3)
5(2+3)/2= 15

30. Area of a square with a diagonal of 1
1^2/2= 1/2
8-15-17
(d1*d2)/2
5(2+3)/2= 15

31. Area of a rhombus - given diagonals - 3 and 6
3^2/2= 9/2
(3*6)/2= 9
4/3(pi)r^3
h(b1+b2)/2

32. Height of equilateral triangle with side s
s(root3)/2
180(200-2)= 35640
7-24-25
h(b1+b2)/2

33. Area of a square with a diagonal of 4
4^2/2= 8
3(root3)
2^2(root3)/4= root3
(1*2)/2= 1

34. Volume of a cone and pyramid
1/3*bh
root3(root3)= 3
(3*6)/2= 9
4(pi)r^2

35. Total degrees in 200 sided polygon
3^2/2= 9/2
(4/3)(pi)3^3= 36(pi)
(3*6)/2= 9
180(200-2)= 35640