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GRE Math: Geometry

Instructions:

Answer 45 questions in 15 minutes.
If you are not ready to take this test, you can study here.
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. Volume of a cube
Edge³
180°
Straight Angle
Do not have slopes!

2. The surface area of a cynlinder plus top and bottom
360°
Straight Angle
45 45 90 Right triangles (x - x - x*square root of 2)
2(pi)rh+2(pi)r²

3. Formula for the surface area of a cube
Square (versus a rectangle)
6e²
360°
Do not have slopes!

4. For any given perimeter - the rectangle with the largest AREA is a
N-2
P=2(l+w)
Square (versus a rectangle)
2(pi)rh

5. The consecutive angles in a parallelogram equal
180°
6e²
Negative
(n-2) x 180

6. In a Rectangle - each angles measures
A=½(base1+base2)(height)
360°
90°
Square (versus a rectangle)

7. Vertical lines
360°
Do not have slopes!
L²+w²+h²=d²
N-2

8. In a Regular Polygon - the measure of each exterior angle
360°
Do not have slopes!
360/n
(pi)r²

9. Area of a Rectangle:
(pi)r²h
A=(side)² or A=½(diagonal)²
P=4s (s=side)
Negative

10. In any Regular Polygon - the measure of each interior angle
Edge³
A=(side)² or A=½(diagonal)²
(n-2)x180/n
Straight Angle

11. Surface area of a rectangular solid
2(lw+lh+wh)
(pi)r²
Parallelogram
y2-y1/x2-x1

12. If an arc measures x - the length of the arc is
y2-y1/x2-x1
x/360 x 2(pi)r or x/360 x C
180
360°

13. If you measure all exterior angles in a polygon - they all equal
True
360°
(pi)r²h
360/n

14. The Perimeter of a Square
Do not have slopes!
360°
P=4s (s=side)
(n-2) x 180

15. In any polygon - all external angles equal up to
zero
P=2(l+w)
Edge³
360°

16. Slope of any line that goes up from left to right
Circumference/diameter c/d
Straight Angle
A=½(base1+base2)(height)
Positive

17. Area of a circle
360°
(pi)r²
L²+w²+h²=d²
90°

18. 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
(n-2)x180/n
360°
4/3(pi)r³
180

19. The sum of the angles in a quadrilateral is
Circumference/diameter c/d
360°
45 45 90 Right triangles (x - x - x*square root of 2)
Positive

20. Circumference of a circle
Pi(diameter)
6e²
Straight Angle
L²+w²+h²=d²

21. If one of the angles formed by an intersection is right - they'Re all right
Square (versus a rectangle)
A=(base)(height)
x/360 x (pi)r² or x/360 x A
True

22. Distance Formula
D=Square root of (x2-x1)²+(y2-y1)²
P=2(l+w)
45 45 90 Right triangles (x - x - x*square root of 2)
(pi)r²h

23. Formula for a diagonal
360°
180
L²+w²+h²=d²
Circumference/diameter c/d

24. Volume of a Sphere
360°
2(lw+lh+wh)
4/3(pi)r³
P=2(l+w)

25. For any given Area - the rectangle with the smallest perimeter is a
zero
45 45 90 Right triangles (x - x - x*square root of 2)
Positive
Square (versus a rectangle)

26. Area of a Parallelogram:
Straight Angle
Parallelogram
A=(base)(height)
90°

27. In a rectangle - all angles are
Positive
2(pi)r
4/3(pi)r³
Right

28. Each diagonal divides a square into 2
2(pi)r
(n-2)x180/n
360°
45 45 90 Right triangles (x - x - x*square root of 2)

29. Volume of a rectangular solid
(n-2) x 180
(length)(width)(height)
Straight Angle
Pi(diameter)

30. Any n-sided polygon can be divided into how many triangles? (by drawing diagonals from one vertical)
(pi)r²
N-2
x/360 x (pi)r² or x/360 x A
360/n

31. Volume of a Cylinder
x/360 x (pi)r² or x/360 x A
(length)(width)(height)
360°
(pi)r²h

32. An Angle that'S 180°
45 45 90 Right triangles (x - x - x*square root of 2)
D=Square root of (x2-x1)²+(y2-y1)²
A=½(base1+base2)(height)
Straight Angle

33. Pi
2(pi)rh
Isosceles Trapezoid
Circumference/diameter c/d
6e²

34. What kind of trapezoid has equal parallel sides?
L²+w²+h²=d²
360/n
4/3(pi)r³
Isosceles Trapezoid

35. Surface area of a cylinder
2(pi)rh
Circumference/diameter c/d
360°
N-2

36. The sum of the measures of the n angles in a polygon with n sides
True
Pi(diameter)
(n-2) x 180
Square (versus a rectangle)

37. The area of a sector formed by an arc and 2 radii
x/360 x (pi)r² or x/360 x A
Isosceles Trapezoid
2(lw+lh+wh)
Negative

38. Area of a Trapezoid:
(pi)r²
A=½(base1+base2)(height)
Do not have slopes!
P=4s (s=side)

39. Slope
A=(side)² or A=½(diagonal)²
A=½(base1+base2)(height)
y2-y1/x2-x1
180°

40. The Perimeter of a rectangle
Square (versus a rectangle)
P=2(l+w)
Pi(diameter)
x/360 x (pi)r² or x/360 x A

41. The sum of all angles around a point
(n-2)x180/n
Parallelogram
zero
360°

42. Circumference of a circle
A=(side)² or A=½(diagonal)²
Do not have slopes!
Parallelogram
2(pi)r

43. Any Horizontal line slope
zero
P=2(l+w)
y2-y1/x2-x1
(pi)r²

44. A quadrilateral where two diagonals bisect each other
Positive
90°
Parallelogram
(n-2)x180/n

45. Slope of any line that goes down as you move from left to right is
Positive
360°
Pi(diameter)
Negative