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GRE Math: Geometry

Instructions:

Answer 45 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 circle
True
Square (versus a rectangle)
360
(pi)r

2. Slope of any line that goes down as you move from left to right is
y2-y1/x2-x1
Negative
2(pi)rh
45 45 90 Right triangles (x - x - x*square root of 2)

3. Volume of a Cylinder
x/360 x 2(pi)r or x/360 x C
(pi)rh
Edge
D=Square root of (x2-x1)+(y2-y1)

4. Pi
Circumference/diameter c/d
(length)(width)(height)
y2-y1/x2-x1
360

5. The sum of all angles around a point
P=4s (s=side)
(n-2) x 180
360
2(pi)rh

6. Volume of a Sphere
A=(side) or A=(diagonal)
45 45 90 Right triangles (x - x - x*square root of 2)
(pi)rh
4/3(pi)r

7. Area of a Trapezoid:
A=(base)(height)
x/360 x 2(pi)r or x/360 x C
A=(base1+base2)(height)
N-2

8. Vertical lines
P=2(l+w)
Do not have slopes!
2(lw+lh+wh)
True

9. Surface area of a cylinder
Positive
6e
2(pi)rh
N-2

10. In a Rectangle - each angles measures
True
180
90
Square (versus a rectangle)

11. The sum of the measures of the n angles in a polygon with n sides
(n-2) x 180
Square (versus a rectangle)
x/360 x (pi)r or x/360 x A
90

12. Each diagonal divides a square into 2
180
2(pi)rh+2(pi)r
45 45 90 Right triangles (x - x - x*square root of 2)
zero

13. Circumference of a circle
Pi(diameter)
Circumference/diameter c/d
zero
4/3(pi)r

14. If a pair of parallel lines is cut by a transversal that'S not perpendicular - the sum of any acute angle and any obtuse angle is
4/3(pi)r
180
Parallelogram
360/n

15. The consecutive angles in a parallelogram equal
2(lw+lh+wh)
x/360 x 2(pi)r or x/360 x C
180
90

16. Area of a Rectangle:
360
2(pi)rh+2(pi)r
Circumference/diameter c/d
A=(side) or A=(diagonal)

17. In a rectangle - all angles are
(n-2) x 180
(n-2)x180/n
Right
360

18. The area of a sector formed by an arc and 2 radii
Pi(diameter)
True
x/360 x (pi)r or x/360 x A
N-2

19. In a Regular Polygon - the measure of each exterior angle
Circumference/diameter c/d
(n-2) x 180
Straight Angle
360/n

20. Circumference of a circle
90
360/n
True
2(pi)r

21. Formula for a diagonal
(n-2)x180/n
L+w+h=d
x/360 x (pi)r or x/360 x A
P=2(l+w)

22. For any given perimeter - the rectangle with the largest AREA is a
Square (versus a rectangle)
Straight Angle
(pi)r
x/360 x (pi)r or x/360 x A

23. A quadrilateral where two diagonals bisect each other
4/3(pi)r
Pi(diameter)
Parallelogram
x/360 x (pi)r or x/360 x A

24. Any Horizontal line slope
180
zero
True
180

25. If one of the angles formed by an intersection is right - they'Re all right
Parallelogram
360
True
Positive

26. Slope
N-2
y2-y1/x2-x1
Negative
P=2(l+w)

27. Distance Formula
360
Do not have slopes!
D=Square root of (x2-x1)+(y2-y1)
360

28. An Angle that'S 180
Pi(diameter)
Edge
N-2
Straight Angle

29. The sum of the angles in a quadrilateral is
A=(side) or A=(diagonal)
Isosceles Trapezoid
360
Square (versus a rectangle)

30. The Perimeter of a Square
True
P=4s (s=side)
Square (versus a rectangle)
4/3(pi)r

31. Formula for the surface area of a cube
(pi)r
A=(base1+base2)(height)
D=Square root of (x2-x1)+(y2-y1)
6e

32. Volume of a cube
Right
Parallelogram
Edge
90

33. What kind of trapezoid has equal parallel sides?
Isosceles Trapezoid
Do not have slopes!
4/3(pi)r
P=2(l+w)

34. The Perimeter of a rectangle
2(lw+lh+wh)
Parallelogram
P=2(l+w)
(n-2)x180/n

35. Any n-sided polygon can be divided into how many triangles? (by drawing diagonals from one vertical)
zero
N-2
(pi)rh
Negative

36. Area of a Parallelogram:
Right
D=Square root of (x2-x1)+(y2-y1)
A=(base)(height)
zero

37. In any Regular Polygon - the measure of each interior angle
Pi(diameter)
(n-2)x180/n
Do not have slopes!
(n-2) x 180

38. If an arc measures x - the length of the arc is
Right
A=(base)(height)
(n-2)x180/n
x/360 x 2(pi)r or x/360 x C

39. Slope of any line that goes up from left to right
Positive
180
D=Square root of (x2-x1)+(y2-y1)
Square (versus a rectangle)

40. Volume of a rectangular solid
Straight Angle
Pi(diameter)
(length)(width)(height)
A=(base)(height)

41. The surface area of a cynlinder plus top and bottom
2(pi)rh
zero
2(pi)rh+2(pi)r
180

42. If you measure all exterior angles in a polygon - they all equal
360
2(lw+lh+wh)
Do not have slopes!
Straight Angle

43. In any polygon - all external angles equal up to
180
360
x/360 x 2(pi)r or x/360 x C
Do not have slopes!

44. Surface area of a rectangular solid
360/n
x/360 x (pi)r or x/360 x A
P=2(l+w)
2(lw+lh+wh)

45. For any given Area - the rectangle with the smallest perimeter is a
2(pi)rh
2(lw+lh+wh)
Square (versus a rectangle)
A=(base1+base2)(height)

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GRE Math: Geometry

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