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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. Pythagorean triple beginning with 5
4(1+2)/2= 6
5-12-13
x^2/2
20-21-29

2. Area of a trapezoid - given bases - 1 and 2 - height 4
20-21-29
4(pi)3^2= 36(pi)
4(1+2)/2= 6
3^2(root3)/4= 9(root3)/4

3. Parallelogram with equal sides
(4/3)(pi)3^3= 36(pi)
rhombus
b*h
180(100-2)= 17640

4. Surface area of a sphere with radius 2
4(1+2)/2= 6
(d1*d2)/2
4(pi)2^2= 16(pi)
2^2/2= 2

5. Area of an equilateral triangle with side s
s^2(root3)/4
3^2/2= 9/2
7-24-25
12-35-37

6. Volume of a cone and pyramid
4(pi)3^2= 36(pi)
s(root3)/2
1/3*bh
s^2(root3)/4

7. Pythagorean triple beginning with 9
9-40-41
4^2/2= 8
7-24-25
s(root3)

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

9. Diagonal of a cube with side s
s(root3)
12-35-37
4(1+2)/2= 6
20-21-29

10. Pythagorean triple beginning with 12
12-35-37
5-12-13
2^2(root3)/4= root3
2^2/2= 2

11. Area of a square with a diagonal of 1
4(pi)r^2
5(2+3)/2= 15
(1*2)/2= 1
1^2/2= 1/2

12. Area of a square with a diagonal of 3
3^2/2= 9/2
4(pi)r^2
5-12-13
8-15-17

13. Area of a trapezoid given bases 2 and 3 - height 5
(d1*d2)/2
5(2+3)/2= 15
180(200-2)= 35640
x^2/2

14. Area of a square with a diagonal of 2
1/3*bh
2^2/2= 2
8-15-17
4(pi)r^2

15. Area of a square with a diagonal of x:
180(100-2)= 17640
s(root3)
rhombus
x^2/2

16. Area of a square with a diagonal of 4
2^2/2= 2
4(pi)2^2= 16(pi)
8-15-17
4^2/2= 8

17. Pythagorean triple beginning with 7
1/3*bh
1^2/2= 1/2
20-21-29
7-24-25

18. Pythagorean triple beginning with 8
180(100-2)= 17640
s^2(root3)/4
9-40-41
8-15-17

19. Area of a rhombus - given diagonals - 3 and 6
(3*6)/2= 9
1/3*bh
(d1*d2)/2
5(2+3)/2= 15

20. Total degrees in 100 sided polygon
4(pi)2^2= 16(pi)
(d1*d2)/2
s(root3)/2
180(100-2)= 17640

21. Diagonal of a cube with side root3
s(root3)
root3(root3)= 3
(4/3)(pi)3^3= 36(pi)
4(pi)r^2

22. Area of an equilateral triangle with side 2
3^2/2= 9/2
2^2(root3)/4= root3
4(pi)r^2
3(root3)

23. Total degrees in n-sided polygon
8-15-17
3^2(root3)/4= 9(root3)/4
180(n-2)
1^2/2= 1/2

24. Height of equilateral triangle with side s
12-35-37
20-21-29
9-40-41
s(root3)/2

25. Diagonal of a cube with side 3
4(pi)r^2
8-15-17
180(n-2)
3(root3)

26. Surface area of a sphere with radius 3
b*h
4^2/2= 8
4(pi)3^2= 36(pi)
root3(root3)= 3

27. Area of an equilateral triangle with side 3
4(pi)r^2
(d1*d2)/2
5(2+3)/2= 15
3^2(root3)/4= 9(root3)/4

28. Formula for the surface area of a sphere
180(200-2)= 35640
1/3*bh
7-24-25
4(pi)r^2

29. Volume of a cylinder and prism
180(n-2)
s^2(root3)/4
s(root3)/2
b*h

30. Total degrees in 200 sided polygon
180(100-2)= 17640
180(200-2)= 35640
(3*6)/2= 9
2^2(root3)/4= root3

31. Area of a rhombus - given diagonals - 1 and 2
(1*2)/2= 1
h(b1+b2)/2
2^2(root3)/4= root3
180(200-2)= 35640

32. Area of a trapezoid - given bases b - height h
h(b1+b2)/2
(4/3)(pi)3^3= 36(pi)
4(pi)2^2= 16(pi)
s^2(root3)/4

33. Volume of a sphere given radius 3
(4/3)(pi)3^3= 36(pi)
root3(root3)= 3
b*h
2^2(root3)/4= root3

34. Pythagorean triple beginning with 20
20-21-29
3(root3)
root3(root3)= 3
(4/3)(pi)3^3= 36(pi)

35. Area of a rhombus - given diagonals d
(d1*d2)/2
3^2(root3)/4= 9(root3)/4
(1*2)/2= 1
s^2(root3)/4