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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. Total degrees in n-sided polygon
180(n-2)
x^2/2
4(pi)r^2
(d1*d2)/2

2. Diagonal of a cube with side root3
3^2/2= 9/2
root3(root3)= 3
rhombus
4/3(pi)r^3

3. Area of an equilateral triangle with side 3
3^2(root3)/4= 9(root3)/4
b*h
9-40-41
8-15-17

4. Area of a rhombus - given diagonals - 3 and 6
4/3(pi)r^3
4(pi)2^2= 16(pi)
(3*6)/2= 9
s(root3)

5. Volume of a cone and pyramid
8-15-17
rhombus
1/3*bh
9-40-41

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

7. Area of a trapezoid given bases 2 and 3 - height 5
5(2+3)/2= 15
h(b1+b2)/2
x^2/2
180(100-2)= 17640

8. Total degrees in 200 sided polygon
9-40-41
180(200-2)= 35640
2^2(root3)/4= root3
s^2(root3)/4

9. Volume of a sphere given radius 3
4(pi)3^2= 36(pi)
rhombus
(4/3)(pi)3^3= 36(pi)
5(2+3)/2= 15

10. Area of a square with a diagonal of 4
3^2/2= 9/2
(3*6)/2= 9
4^2/2= 8
2^2/2= 2

11. Pythagorean triple beginning with 9
12-35-37
b*h
4(1+2)/2= 6
9-40-41

12. Surface area of a sphere with radius 2
20-21-29
root3(root3)= 3
4(pi)r^2
4(pi)2^2= 16(pi)

13. Area of an equilateral triangle with side s
s^2(root3)/4
8-15-17
5-12-13
9-40-41

14. Pythagorean triple beginning with 5
(3*6)/2= 9
3^2(root3)/4= 9(root3)/4
5-12-13
4^2/2= 8

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

16. Area of a square with a diagonal of 3
s(root3)/2
s^2(root3)/4
3^2/2= 9/2
8-15-17

17. Area of a rhombus - given diagonals d
5(2+3)/2= 15
x^2/2
(d1*d2)/2
4(pi)r^2

18. Area of a square with a diagonal of 2
2^2/2= 2
20-21-29
8-15-17
4(1+2)/2= 6

19. Pythagorean triple beginning with 12
8-15-17
12-35-37
3^2/2= 9/2
9-40-41

20. Volume of a sphere
2^2/2= 2
2^2(root3)/4= root3
4/3(pi)r^3
1^2/2= 1/2

21. Pythagorean triple beginning with 7
180(n-2)
3^2(root3)/4= 9(root3)/4
5(2+3)/2= 15
7-24-25

22. Surface area of a sphere with radius 3
s(root3)/2
h(b1+b2)/2
4(pi)3^2= 36(pi)
(4/3)(pi)3^3= 36(pi)

23. Total degrees in 100 sided polygon
1^2/2= 1/2
180(100-2)= 17640
4(1+2)/2= 6
4(pi)r^2

24. Area of an equilateral triangle with side 2
5-12-13
5(2+3)/2= 15
2^2(root3)/4= root3
4^2/2= 8

25. Height of equilateral triangle with side s
s(root3)/2
2^2/2= 2
h(b1+b2)/2
4(pi)r^2

26. Parallelogram with equal sides
3(root3)
4(pi)2^2= 16(pi)
rhombus
4(pi)r^2

27. Volume of a cylinder and prism
root3(root3)= 3
b*h
12-35-37
(4/3)(pi)3^3= 36(pi)

28. Diagonal of a cube with side 3
3(root3)
4/3(pi)r^3
(4/3)(pi)3^3= 36(pi)
8-15-17

29. Diagonal of a cube with side s
1/3*bh
180(n-2)
(3*6)/2= 9
s(root3)

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

31. Formula for the surface area of a sphere
12-35-37
(d1*d2)/2
(1*2)/2= 1
4(pi)r^2

32. Pythagorean triple beginning with 8
1^2/2= 1/2
3^2/2= 9/2
8-15-17
9-40-41

33. Area of a trapezoid - given bases b - height h
x^2/2
h(b1+b2)/2
4/3(pi)r^3
(3*6)/2= 9

34. Area of a square with a diagonal of 1
4(1+2)/2= 6
4^2/2= 8
1^2/2= 1/2
9-40-41

35. Pythagorean triple beginning with 20
20-21-29
s(root3)
x^2/2
7-24-25