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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. Area of a Parallelogram:
45 45 90 Right triangles (x - x - x*square root of 2)
Isosceles Trapezoid
4/3(pi)r³
A=(base)(height)

2. In a Regular Polygon - the measure of each exterior angle
Circumference/diameter c/d
360/n
Isosceles Trapezoid
zero

3. The sum of the measures of the n angles in a polygon with n sides
(n-2) x 180
180°
Right
N-2

4. If you measure all exterior angles in a polygon - they all equal
360°
2(pi)rh+2(pi)r²
180
(n-2)x180/n

5. If one of the angles formed by an intersection is right - they'Re all right
Pi(diameter)
90°
True
Parallelogram

6. Formula for a diagonal
2(pi)rh+2(pi)r²
2(pi)r
(pi)r²
L²+w²+h²=d²

7. Surface area of a rectangular solid
(n-2)x180/n
2(lw+lh+wh)
L²+w²+h²=d²
(pi)r²h

8. Vertical lines
360°
Pi(diameter)
zero
Do not have slopes!

9. Volume of a Cylinder
2(lw+lh+wh)
(pi)r²h
N-2
180°

10. An Angle that'S 180°
360°
180
(n-2) x 180
Straight Angle

11. In a Rectangle - each angles measures
D=Square root of (x2-x1)²+(y2-y1)²
90°
Edge³
Straight Angle

12. Circumference of a circle
Pi(diameter)
(pi)r²
L²+w²+h²=d²
Parallelogram

13. Each diagonal divides a square into 2
(length)(width)(height)
x/360 x 2(pi)r or x/360 x C
45 45 90 Right triangles (x - x - x*square root of 2)
180°

14. Slope of any line that goes up from left to right
Negative
Positive
4/3(pi)r³
A=(side)² or A=½(diagonal)²

15. For any given Area - the rectangle with the smallest perimeter is a
A=(base)(height)
Square (versus a rectangle)
(length)(width)(height)
2(pi)rh+2(pi)r²

16. In any polygon - all external angles equal up to
Circumference/diameter c/d
360°
6e²
Do not have slopes!

17. The area of a sector formed by an arc and 2 radii
x/360 x (pi)r² or x/360 x A
2(pi)r
(length)(width)(height)
(pi)r²h

18. Formula for the surface area of a cube
6e²
Circumference/diameter c/d
360°
Isosceles Trapezoid

19. The consecutive angles in a parallelogram equal
(n-2) x 180
180°
x/360 x (pi)r² or x/360 x A
A=(base)(height)

20. Volume of a rectangular solid
(length)(width)(height)
180°
2(pi)rh+2(pi)r²
2(lw+lh+wh)

21. A quadrilateral where two diagonals bisect each other
Right
A=(base)(height)
Edge³
Parallelogram

22. Any n-sided polygon can be divided into how many triangles? (by drawing diagonals from one vertical)
2(lw+lh+wh)
N-2
Square (versus a rectangle)
Do not have slopes!

23. Area of a Rectangle:
A=(side)² or A=½(diagonal)²
A=(base)(height)
P=2(l+w)
Negative

24. If an arc measures x - the length of the arc is
D=Square root of (x2-x1)²+(y2-y1)²
90°
(n-2)x180/n
x/360 x 2(pi)r or x/360 x C

25. Volume of a cube
2(pi)r
Edge³
4/3(pi)r³
Straight Angle

26. Any Horizontal line slope
90°
Square (versus a rectangle)
x/360 x (pi)r² or x/360 x A
zero

27. The Perimeter of a rectangle
Positive
P=2(l+w)
Negative
360/n

28. Slope
y2-y1/x2-x1
2(pi)r
P=2(l+w)
360°

29. Area of a circle
zero
Straight Angle
2(lw+lh+wh)
(pi)r²

30. The sum of the angles in a quadrilateral is
P=4s (s=side)
Negative
360°
2(pi)rh

31. What kind of trapezoid has equal parallel sides?
Isosceles Trapezoid
90°
y2-y1/x2-x1
180

32. Slope of any line that goes down as you move from left to right is
45 45 90 Right triangles (x - x - x*square root of 2)
Negative
360°
(n-2)x180/n

33. In any Regular Polygon - the measure of each interior angle
2(pi)rh+2(pi)r²
Positive
x/360 x (pi)r² or x/360 x A
(n-2)x180/n

34. Volume of a Sphere
4/3(pi)r³
P=4s (s=side)
A=½(base1+base2)(height)
Square (versus a rectangle)

35. For any given perimeter - the rectangle with the largest AREA is a
Negative
360°
Square (versus a rectangle)
Right

36. Pi
Circumference/diameter c/d
P=4s (s=side)
Parallelogram
A=½(base1+base2)(height)

37. The surface area of a cynlinder plus top and bottom
P=2(l+w)
2(pi)rh+2(pi)r²
Edge³
A=(base)(height)

38. Area of a Trapezoid:
90°
A=(side)² or A=½(diagonal)²
A=½(base1+base2)(height)
Edge³

39. 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
180
90°
360°
L²+w²+h²=d²

40. Surface area of a cylinder
Square (versus a rectangle)
A=(side)² or A=½(diagonal)²
2(pi)rh
True

41. Circumference of a circle
L²+w²+h²=d²
Isosceles Trapezoid
Positive
2(pi)r

42. In a rectangle - all angles are
Pi(diameter)
Right
360°
Edge³

43. The sum of all angles around a point
45 45 90 Right triangles (x - x - x*square root of 2)
Square (versus a rectangle)
(pi)r²h
360°

44. Distance Formula
2(pi)r
N-2
D=Square root of (x2-x1)²+(y2-y1)²
(n-2)x180/n

45. The Perimeter of a Square
Square (versus a rectangle)
Positive
D=Square root of (x2-x1)²+(y2-y1)²
P=4s (s=side)