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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 an equilateral triangle with side 3
3^2/2= 9/2
3(root3)
3^2(root3)/4= 9(root3)/4
2^2(root3)/4= root3

2. Parallelogram with equal sides
180(100-2)= 17640
s^2(root3)/4
h(b1+b2)/2
rhombus

3. Area of a square with a diagonal of 4
7-24-25
4^2/2= 8
s(root3)/2
5(2+3)/2= 15

4. Diagonal of a cube with side 3
4(pi)3^2= 36(pi)
(3*6)/2= 9
3(root3)
4^2/2= 8

5. Surface area of a sphere with radius 3
1/3*bh
4(pi)3^2= 36(pi)
b*h
x^2/2

6. Total degrees in 100 sided polygon
8-15-17
rhombus
180(100-2)= 17640
4(pi)3^2= 36(pi)

7. Area of an equilateral triangle with side 2
b*h
x^2/2
3(root3)
2^2(root3)/4= root3

8. Formula for the surface area of a sphere
4(pi)r^2
8-15-17
4(pi)2^2= 16(pi)
s(root3)

9. Volume of a sphere given radius 3
2^2(root3)/4= root3
(4/3)(pi)3^3= 36(pi)
x^2/2
4(1+2)/2= 6

10. Area of a trapezoid given bases 2 and 3 - height 5
5(2+3)/2= 15
(1*2)/2= 1
x^2/2
5-12-13

11. Total degrees in 200 sided polygon
(4/3)(pi)3^3= 36(pi)
1/3*bh
180(200-2)= 35640
4(pi)2^2= 16(pi)

12. Pythagorean triple beginning with 20
4/3(pi)r^3
s^2(root3)/4
20-21-29
1^2/2= 1/2

13. Pythagorean triple beginning with 9
s^2(root3)/4
h(b1+b2)/2
8-15-17
9-40-41

14. Area of an equilateral triangle with side s
s^2(root3)/4
1/3*bh
b*h
3^2(root3)/4= 9(root3)/4

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

16. Area of a square with a diagonal of 2
3^2/2= 9/2
2^2/2= 2
4(1+2)/2= 6
(d1*d2)/2

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

18. Diagonal of a cube with side root3
(4/3)(pi)3^3= 36(pi)
20-21-29
root3(root3)= 3
s^2(root3)/4

19. Volume of a cylinder and prism
8-15-17
b*h
1/3*bh
(3*6)/2= 9

20. Pythagorean triple beginning with 8
2^2/2= 2
8-15-17
(3*6)/2= 9
root3(root3)= 3

21. Area of a trapezoid - given bases - 1 and 2 - height 4
2^2/2= 2
4(1+2)/2= 6
1^2/2= 1/2
5-12-13

22. Area of a rhombus - given diagonals - 3 and 6
(3*6)/2= 9
7-24-25
s^2(root3)/4
180(n-2)

23. Diagonal of a cube with side s
s(root3)
8-15-17
4(pi)r^2
180(200-2)= 35640

24. Pythagorean triple beginning with 12
4(1+2)/2= 6
12-35-37
x^2/2
4^2/2= 8

25. Volume of a sphere
s^2(root3)/4
4/3(pi)r^3
(4/3)(pi)3^3= 36(pi)
3(root3)

26. Pythagorean triple beginning with 5
s(root3)/2
9-40-41
5-12-13
180(200-2)= 35640

27. Area of a square with a diagonal of x:
180(100-2)= 17640
(d1*d2)/2
x^2/2
1/3*bh

28. Area of a rhombus - given diagonals d
(d1*d2)/2
(4/3)(pi)3^3= 36(pi)
7-24-25
180(200-2)= 35640

29. Area of a rhombus - given diagonals - 1 and 2
(1*2)/2= 1
s^2(root3)/4
4(pi)3^2= 36(pi)
2^2/2= 2

30. Volume of a cone and pyramid
4(pi)2^2= 16(pi)
3(root3)
4(1+2)/2= 6
1/3*bh

31. Total degrees in n-sided polygon
1/3*bh
180(n-2)
3^2/2= 9/2
4(pi)r^2

32. Area of a square with a diagonal of 3
8-15-17
(1*2)/2= 1
3^2/2= 9/2
rhombus

33. Area of a trapezoid - given bases b - height h
5(2+3)/2= 15
4(pi)r^2
4(pi)3^2= 36(pi)
h(b1+b2)/2

34. Surface area of a sphere with radius 2
(3*6)/2= 9
4(pi)2^2= 16(pi)
5-12-13
8-15-17

35. Height of equilateral triangle with side s
20-21-29
5(2+3)/2= 15
180(n-2)
s(root3)/2