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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)
5-12-13
(4/3)(pi)3^3= 36(pi)
3(root3)

2. Pythagorean triple beginning with 8
8-15-17
2^2(root3)/4= root3
7-24-25
3^2(root3)/4= 9(root3)/4

3. Parallelogram with equal sides
(d1*d2)/2
rhombus
20-21-29
180(100-2)= 17640

4. Volume of a cylinder and prism
3^2/2= 9/2
s(root3)
b*h
1/3*bh

5. Area of a square with a diagonal of 4
s^2(root3)/4
4(pi)r^2
4^2/2= 8
4/3(pi)r^3

6. Area of a rhombus - given diagonals - 1 and 2
4^2/2= 8
180(100-2)= 17640
(1*2)/2= 1
s(root3)

7. Surface area of a sphere with radius 2
1/3*bh
4(1+2)/2= 6
4(pi)2^2= 16(pi)
s^2(root3)/4

8. Pythagorean triple beginning with 7
4/3(pi)r^3
7-24-25
180(100-2)= 17640
5(2+3)/2= 15

9. Formula for the surface area of a sphere
9-40-41
4(pi)r^2
rhombus
3^2(root3)/4= 9(root3)/4

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

11. Height of equilateral triangle with side s
(3*6)/2= 9
s(root3)/2
9-40-41
4(1+2)/2= 6

12. Area of a square with a diagonal of 1
4(pi)2^2= 16(pi)
2^2(root3)/4= root3
1^2/2= 1/2
5(2+3)/2= 15

13. Area of a square with a diagonal of 2
5(2+3)/2= 15
s(root3)
2^2/2= 2
4(pi)2^2= 16(pi)

14. Pythagorean triple beginning with 5
5-12-13
2^2(root3)/4= root3
rhombus
b*h

15. Area of a trapezoid - given bases - 1 and 2 - height 4
rhombus
12-35-37
4(1+2)/2= 6
4(pi)3^2= 36(pi)

16. Area of a square with a diagonal of 3
4(pi)r^2
(4/3)(pi)3^3= 36(pi)
3^2/2= 9/2
12-35-37

17. Total degrees in 100 sided polygon
20-21-29
s(root3)
180(100-2)= 17640
180(n-2)

18. Area of an equilateral triangle with side 3
h(b1+b2)/2
3^2(root3)/4= 9(root3)/4
1^2/2= 1/2
(d1*d2)/2

19. Area of a trapezoid - given bases b - height h
1/3*bh
(1*2)/2= 1
h(b1+b2)/2
2^2/2= 2

20. Diagonal of a cube with side s
rhombus
s^2(root3)/4
180(100-2)= 17640
s(root3)

21. Area of a rhombus - given diagonals d
4(1+2)/2= 6
(4/3)(pi)3^3= 36(pi)
(d1*d2)/2
b*h

22. Area of an equilateral triangle with side s
s(root3)/2
(1*2)/2= 1
s^2(root3)/4
4/3(pi)r^3

23. Volume of a cone and pyramid
2^2/2= 2
180(n-2)
1/3*bh
b*h

24. Pythagorean triple beginning with 12
12-35-37
s(root3)/2
s(root3)
(3*6)/2= 9

25. Diagonal of a cube with side root3
20-21-29
rhombus
root3(root3)= 3
12-35-37

26. Area of a rhombus - given diagonals - 3 and 6
s^2(root3)/4
(3*6)/2= 9
(d1*d2)/2
rhombus

27. Volume of a sphere given radius 3
2^2/2= 2
b*h
(4/3)(pi)3^3= 36(pi)
5-12-13

28. Total degrees in 200 sided polygon
9-40-41
root3(root3)= 3
20-21-29
180(200-2)= 35640

29. Area of a square with a diagonal of x:
9-40-41
(4/3)(pi)3^3= 36(pi)
4(pi)3^2= 36(pi)
x^2/2

30. Pythagorean triple beginning with 9
(1*2)/2= 1
9-40-41
20-21-29
2^2/2= 2

31. Diagonal of a cube with side 3
3(root3)
2^2/2= 2
s(root3)/2
root3(root3)= 3

32. Pythagorean triple beginning with 20
20-21-29
(3*6)/2= 9
s(root3)/2
4(1+2)/2= 6

33. Area of a trapezoid given bases 2 and 3 - height 5
x^2/2
5(2+3)/2= 15
root3(root3)= 3
3^2/2= 9/2

34. Volume of a sphere
4/3(pi)r^3
s^2(root3)/4
4(pi)3^2= 36(pi)
3^2(root3)/4= 9(root3)/4

35. Surface area of a sphere with radius 3
5(2+3)/2= 15
4(pi)3^2= 36(pi)
2^2(root3)/4= root3
(1*2)/2= 1