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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(pi)r^2
5-12-13
3^2(root3)/4= 9(root3)/4
b*h

2. Formula for the surface area of a sphere
180(n-2)
b*h
h(b1+b2)/2
4(pi)r^2

3. Area of a square with a diagonal of 4
4(pi)r^2
4^2/2= 8
9-40-41
2^2(root3)/4= root3

4. Area of an equilateral triangle with side s
4(pi)2^2= 16(pi)
4/3(pi)r^3
3^2/2= 9/2
s^2(root3)/4

5. Area of a trapezoid - given bases b - height h
4(pi)r^2
3^2/2= 9/2
(d1*d2)/2
h(b1+b2)/2

6. Volume of a cone and pyramid
root3(root3)= 3
4(pi)3^2= 36(pi)
9-40-41
1/3*bh

7. Area of a rhombus - given diagonals d
(d1*d2)/2
1/3*bh
4(pi)2^2= 16(pi)
180(100-2)= 17640

8. Area of a square with a diagonal of 2
x^2/2
180(200-2)= 35640
8-15-17
2^2/2= 2

9. Area of a trapezoid - given bases - 1 and 2 - height 4
4/3(pi)r^3
3^2(root3)/4= 9(root3)/4
4(1+2)/2= 6
180(100-2)= 17640

10. Area of a square with a diagonal of 1
12-35-37
1^2/2= 1/2
5(2+3)/2= 15
7-24-25

11. Area of an equilateral triangle with side 3
12-35-37
9-40-41
20-21-29
3^2(root3)/4= 9(root3)/4

12. Total degrees in n-sided polygon
1/3*bh
7-24-25
180(n-2)
(1*2)/2= 1

13. Pythagorean triple beginning with 9
4/3(pi)r^3
9-40-41
12-35-37
b*h

14. Total degrees in 200 sided polygon
3^2(root3)/4= 9(root3)/4
180(200-2)= 35640
root3(root3)= 3
7-24-25

15. Pythagorean triple beginning with 20
180(n-2)
20-21-29
(d1*d2)/2
b*h

16. Pythagorean triple beginning with 12
8-15-17
(3*6)/2= 9
4(pi)r^2
12-35-37

17. Diagonal of a cube with side s
s(root3)
b*h
4(pi)2^2= 16(pi)
(3*6)/2= 9

18. Height of equilateral triangle with side s
s(root3)/2
s^2(root3)/4
1^2/2= 1/2
root3(root3)= 3

19. Area of an equilateral triangle with side 2
20-21-29
(3*6)/2= 9
s(root3)
2^2(root3)/4= root3

20. Surface area of a sphere with radius 2
(4/3)(pi)3^3= 36(pi)
4^2/2= 8
4(pi)2^2= 16(pi)
rhombus

21. Volume of a sphere
2^2/2= 2
4/3(pi)r^3
5(2+3)/2= 15
1/3*bh

22. Parallelogram with equal sides
1^2/2= 1/2
5-12-13
9-40-41
rhombus

23. Diagonal of a cube with side 3
3(root3)
(1*2)/2= 1
x^2/2
5(2+3)/2= 15

24. Area of a rhombus - given diagonals - 1 and 2
4(pi)r^2
(1*2)/2= 1
8-15-17
7-24-25

25. Volume of a sphere given radius 3
(d1*d2)/2
(4/3)(pi)3^3= 36(pi)
h(b1+b2)/2
4(pi)3^2= 36(pi)

26. Area of a square with a diagonal of 3
3^2/2= 9/2
4(1+2)/2= 6
8-15-17
180(200-2)= 35640

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

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

29. Area of a square with a diagonal of x:
x^2/2
2^2/2= 2
2^2(root3)/4= root3
20-21-29

30. Pythagorean triple beginning with 8
8-15-17
s(root3)/2
x^2/2
4^2/2= 8

31. Area of a rhombus - given diagonals - 3 and 6
(3*6)/2= 9
h(b1+b2)/2
rhombus
3^2/2= 9/2

32. Total degrees in 100 sided polygon
8-15-17
b*h
s^2(root3)/4
180(100-2)= 17640

33. Area of a trapezoid given bases 2 and 3 - height 5
(3*6)/2= 9
5(2+3)/2= 15
180(200-2)= 35640
4^2/2= 8

34. Pythagorean triple beginning with 7
180(n-2)
rhombus
3^2(root3)/4= 9(root3)/4
7-24-25

35. Diagonal of a cube with side root3
3^2/2= 9/2
root3(root3)= 3
180(200-2)= 35640
180(100-2)= 17640