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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 b - height h
(3*6)/2= 9
2^2(root3)/4= root3
4(pi)3^2= 36(pi)
h(b1+b2)/2

2. Area of a square with a diagonal of x:
4/3(pi)r^3
h(b1+b2)/2
x^2/2
8-15-17

3. Diagonal of a cube with side root3
root3(root3)= 3
180(n-2)
h(b1+b2)/2
3^2(root3)/4= 9(root3)/4

4. Parallelogram with equal sides
h(b1+b2)/2
(d1*d2)/2
rhombus
180(200-2)= 35640

5. Area of a rhombus - given diagonals - 3 and 6
(3*6)/2= 9
2^2/2= 2
(1*2)/2= 1
180(n-2)

6. Pythagorean triple beginning with 5
180(n-2)
(4/3)(pi)3^3= 36(pi)
(3*6)/2= 9
5-12-13

7. Surface area of a sphere with radius 3
4(pi)3^2= 36(pi)
12-35-37
4(pi)r^2
4(1+2)/2= 6

8. Area of an equilateral triangle with side 3
7-24-25
5-12-13
3^2(root3)/4= 9(root3)/4
s(root3)/2

9. Area of a rhombus - given diagonals - 1 and 2
(d1*d2)/2
(1*2)/2= 1
2^2/2= 2
3(root3)

10. Area of a square with a diagonal of 2
180(200-2)= 35640
5(2+3)/2= 15
2^2/2= 2
h(b1+b2)/2

11. Pythagorean triple beginning with 8
8-15-17
h(b1+b2)/2
3^2(root3)/4= 9(root3)/4
3^2/2= 9/2

12. Volume of a cylinder and prism
2^2/2= 2
7-24-25
b*h
20-21-29

13. Height of equilateral triangle with side s
5-12-13
s(root3)/2
7-24-25
rhombus

14. Area of a square with a diagonal of 3
(4/3)(pi)3^3= 36(pi)
2^2(root3)/4= root3
3^2/2= 9/2
7-24-25

15. Surface area of a sphere with radius 2
4(1+2)/2= 6
s(root3)
4(pi)2^2= 16(pi)
8-15-17

16. Volume of a cone and pyramid
20-21-29
1/3*bh
(d1*d2)/2
1^2/2= 1/2

17. Area of an equilateral triangle with side 2
2^2(root3)/4= root3
s(root3)/2
2^2/2= 2
9-40-41

18. Diagonal of a cube with side 3
b*h
4(pi)3^2= 36(pi)
1^2/2= 1/2
3(root3)

19. Volume of a sphere given radius 3
(4/3)(pi)3^3= 36(pi)
(d1*d2)/2
4(pi)2^2= 16(pi)
root3(root3)= 3

20. Area of a square with a diagonal of 1
4(pi)3^2= 36(pi)
4(pi)2^2= 16(pi)
1^2/2= 1/2
4(pi)r^2

21. Formula for the surface area of a sphere
4(pi)r^2
(d1*d2)/2
4^2/2= 8
(4/3)(pi)3^3= 36(pi)

22. Total degrees in 100 sided polygon
4(pi)2^2= 16(pi)
7-24-25
180(100-2)= 17640
4(pi)r^2

23. Diagonal of a cube with side s
180(100-2)= 17640
5(2+3)/2= 15
s(root3)
x^2/2

24. Area of an equilateral triangle with side s
h(b1+b2)/2
(d1*d2)/2
180(n-2)
s^2(root3)/4

25. Pythagorean triple beginning with 9
x^2/2
9-40-41
4/3(pi)r^3
8-15-17

26. Area of a trapezoid given bases 2 and 3 - height 5
h(b1+b2)/2
4(pi)r^2
5(2+3)/2= 15
5-12-13

27. Area of a rhombus - given diagonals d
(3*6)/2= 9
(4/3)(pi)3^3= 36(pi)
180(100-2)= 17640
(d1*d2)/2

28. Pythagorean triple beginning with 12
h(b1+b2)/2
9-40-41
1^2/2= 1/2
12-35-37

29. Area of a square with a diagonal of 4
3^2/2= 9/2
(1*2)/2= 1
180(n-2)
4^2/2= 8

30. Pythagorean triple beginning with 7
(3*6)/2= 9
20-21-29
7-24-25
root3(root3)= 3

31. Pythagorean triple beginning with 20
s(root3)/2
20-21-29
9-40-41
3^2/2= 9/2

32. Total degrees in n-sided polygon
4(1+2)/2= 6
9-40-41
4^2/2= 8
180(n-2)

33. Volume of a sphere
5(2+3)/2= 15
h(b1+b2)/2
4/3(pi)r^3
s^2(root3)/4

34. Total degrees in 200 sided polygon
s^2(root3)/4
5(2+3)/2= 15
180(200-2)= 35640
(1*2)/2= 1

35. Area of a trapezoid - given bases - 1 and 2 - height 4
4(pi)r^2
x^2/2
4(1+2)/2= 6
3^2/2= 9/2