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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 square with a diagonal of x:
5-12-13
x^2/2
3^2(root3)/4= 9(root3)/4
2^2/2= 2

2. Area of a rhombus - given diagonals d
9-40-41
b*h
(d1*d2)/2
(3*6)/2= 9

3. Surface area of a sphere with radius 3
(1*2)/2= 1
4(pi)3^2= 36(pi)
root3(root3)= 3
4^2/2= 8

4. Volume of a sphere given radius 3
180(100-2)= 17640
4(pi)3^2= 36(pi)
(4/3)(pi)3^3= 36(pi)
8-15-17

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

6. Volume of a cylinder and prism
2^2(root3)/4= root3
1^2/2= 1/2
b*h
(1*2)/2= 1

7. Area of a square with a diagonal of 3
180(200-2)= 35640
s^2(root3)/4
2^2(root3)/4= root3
3^2/2= 9/2

8. Area of a trapezoid - given bases b - height h
3^2(root3)/4= 9(root3)/4
h(b1+b2)/2
x^2/2
4(pi)2^2= 16(pi)

9. Diagonal of a cube with side s
7-24-25
s(root3)
180(100-2)= 17640
root3(root3)= 3

10. Pythagorean triple beginning with 8
7-24-25
5-12-13
8-15-17
9-40-41

11. Pythagorean triple beginning with 5
5-12-13
(4/3)(pi)3^3= 36(pi)
x^2/2
4(1+2)/2= 6

12. Area of an equilateral triangle with side 2
(1*2)/2= 1
h(b1+b2)/2
2^2(root3)/4= root3
180(200-2)= 35640

13. Diagonal of a cube with side 3
s(root3)
3(root3)
s^2(root3)/4
180(n-2)

14. Volume of a cone and pyramid
3^2/2= 9/2
2^2/2= 2
rhombus
1/3*bh

15. Total degrees in n-sided polygon
4/3(pi)r^3
5(2+3)/2= 15
9-40-41
180(n-2)

16. Area of a rhombus - given diagonals - 3 and 6
(3*6)/2= 9
s(root3)/2
20-21-29
rhombus

17. Pythagorean triple beginning with 7
2^2(root3)/4= root3
7-24-25
4(1+2)/2= 6
rhombus

18. Area of a square with a diagonal of 2
3^2/2= 9/2
3(root3)
2^2/2= 2
(3*6)/2= 9

19. Surface area of a sphere with radius 2
4(pi)2^2= 16(pi)
7-24-25
(4/3)(pi)3^3= 36(pi)
s^2(root3)/4

20. Pythagorean triple beginning with 20
20-21-29
4(pi)2^2= 16(pi)
h(b1+b2)/2
5(2+3)/2= 15

21. Pythagorean triple beginning with 12
12-35-37
2^2(root3)/4= root3
4(1+2)/2= 6
3(root3)

22. Area of a trapezoid given bases 2 and 3 - height 5
5(2+3)/2= 15
3(root3)
3^2/2= 9/2
180(100-2)= 17640

23. Area of an equilateral triangle with side s
s^2(root3)/4
5(2+3)/2= 15
rhombus
2^2(root3)/4= root3

24. Diagonal of a cube with side root3
root3(root3)= 3
12-35-37
4(pi)3^2= 36(pi)
180(n-2)

25. Volume of a sphere
3(root3)
(3*6)/2= 9
s^2(root3)/4
4/3(pi)r^3

26. Total degrees in 100 sided polygon
(4/3)(pi)3^3= 36(pi)
4^2/2= 8
180(100-2)= 17640
s(root3)/2

27. Area of a rhombus - given diagonals - 1 and 2
4^2/2= 8
4(1+2)/2= 6
9-40-41
(1*2)/2= 1

28. Area of an equilateral triangle with side 3
3^2(root3)/4= 9(root3)/4
12-35-37
b*h
5-12-13

29. Total degrees in 200 sided polygon
4/3(pi)r^3
5-12-13
180(n-2)
180(200-2)= 35640

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

31. Formula for the surface area of a sphere
s(root3)/2
180(n-2)
4(pi)r^2
(1*2)/2= 1

32. Parallelogram with equal sides
rhombus
5-12-13
9-40-41
3^2(root3)/4= 9(root3)/4

33. Area of a trapezoid - given bases - 1 and 2 - height 4
3^2/2= 9/2
4(1+2)/2= 6
4(pi)r^2
7-24-25

34. Height of equilateral triangle with side s
s(root3)/2
7-24-25
(d1*d2)/2
(1*2)/2= 1

35. Area of a square with a diagonal of 4
3^2(root3)/4= 9(root3)/4
4(pi)2^2= 16(pi)
(3*6)/2= 9
4^2/2= 8