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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. An Angle that'S 180°
A=½(base1+base2)(height)
P=2(l+w)
(length)(width)(height)
Straight Angle

2. The Perimeter of a rectangle
P=2(l+w)
N-2
True
45 45 90 Right triangles (x - x - x*square root of 2)

3. The Perimeter of a Square
P=4s (s=side)
Do not have slopes!
Negative
A=½(base1+base2)(height)

4. Area of a Rectangle:
(pi)r²h
A=(side)² or A=½(diagonal)²
360°
(n-2)x180/n

5. Surface area of a cylinder
Edge³
2(pi)rh
45 45 90 Right triangles (x - x - x*square root of 2)
x/360 x 2(pi)r or x/360 x C

6. Volume of a Cylinder
360°
180°
Negative
(pi)r²h

7. Slope
P=4s (s=side)
y2-y1/x2-x1
2(lw+lh+wh)
P=2(l+w)

8. If an arc measures x - the length of the arc is
Parallelogram
Square (versus a rectangle)
x/360 x 2(pi)r or x/360 x C
True

9. Pi
Circumference/diameter c/d
D=Square root of (x2-x1)²+(y2-y1)²
Pi(diameter)
A=(side)² or A=½(diagonal)²

10. If you measure all exterior angles in a polygon - they all equal
360°
N-2
180
(length)(width)(height)

11. Volume of a Sphere
4/3(pi)r³
True
360°
Square (versus a rectangle)

12. Area of a Parallelogram:
Right
A=(base)(height)
360°
N-2

13. The surface area of a cynlinder plus top and bottom
Positive
2(pi)rh+2(pi)r²
y2-y1/x2-x1
6e²

14. Vertical lines
Circumference/diameter c/d
(pi)r²h
Negative
Do not have slopes!

15. Formula for a diagonal
360°
L²+w²+h²=d²
x/360 x 2(pi)r or x/360 x C
Isosceles Trapezoid

16. What kind of trapezoid has equal parallel sides?
2(pi)rh
Isosceles Trapezoid
A=(base)(height)
A=½(base1+base2)(height)

17. Formula for the surface area of a cube
6e²
Edge³
A=½(base1+base2)(height)
Do not have slopes!

18. For any given Area - the rectangle with the smallest perimeter is a
2(pi)rh
Square (versus a rectangle)
True
6e²

19. Slope of any line that goes down as you move from left to right is
Negative
Edge³
360°
90°

20. Circumference of a circle
True
2(pi)r
4/3(pi)r³
Pi(diameter)

21. In any Regular Polygon - the measure of each interior angle
6e²
(n-2)x180/n
360°
Negative

22. The sum of the measures of the n angles in a polygon with n sides
(n-2) x 180
6e²
Edge³
True

23. Area of a circle
y2-y1/x2-x1
A=(base)(height)
(pi)r²
180°

24. A quadrilateral where two diagonals bisect each other
Parallelogram
N-2
Straight Angle
Right

25. In any polygon - all external angles equal up to
(n-2)x180/n
6e²
360°
D=Square root of (x2-x1)²+(y2-y1)²

26. 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
180
2(lw+lh+wh)
True

27. The sum of all angles around a point
Right
P=4s (s=side)
2(pi)rh
360°

28. The area of a sector formed by an arc and 2 radii
(n-2) x 180
180°
x/360 x (pi)r² or x/360 x A
(n-2)x180/n

29. The consecutive angles in a parallelogram equal
x/360 x 2(pi)r or x/360 x C
D=Square root of (x2-x1)²+(y2-y1)²
y2-y1/x2-x1
180°

30. Distance Formula
Pi(diameter)
D=Square root of (x2-x1)²+(y2-y1)²
2(pi)rh+2(pi)r²
A=½(base1+base2)(height)

31. Surface area of a rectangular solid
P=4s (s=side)
2(lw+lh+wh)
A=½(base1+base2)(height)
45 45 90 Right triangles (x - x - x*square root of 2)

32. Any n-sided polygon can be divided into how many triangles? (by drawing diagonals from one vertical)
180
N-2
(pi)r²
Straight Angle

33. In a Rectangle - each angles measures
2(pi)r
Positive
90°
4/3(pi)r³

34. Any Horizontal line slope
L²+w²+h²=d²
zero
A=(side)² or A=½(diagonal)²
360°

35. Slope of any line that goes up from left to right
Do not have slopes!
6e²
Straight Angle
Positive

36. For any given perimeter - the rectangle with the largest AREA is a
Square (versus a rectangle)
P=4s (s=side)
2(pi)rh
Right

37. Circumference of a circle
Pi(diameter)
6e²
Straight Angle
2(pi)r

38. In a Regular Polygon - the measure of each exterior angle
360/n
360°
Parallelogram
Isosceles Trapezoid

39. Area of a Trapezoid:
A=½(base1+base2)(height)
45 45 90 Right triangles (x - x - x*square root of 2)
360°
Do not have slopes!

40. If one of the angles formed by an intersection is right - they'Re all right
True
Negative
360/n
L²+w²+h²=d²

41. In a rectangle - all angles are
Right
Parallelogram
(length)(width)(height)
2(lw+lh+wh)

42. Each diagonal divides a square into 2
45 45 90 Right triangles (x - x - x*square root of 2)
zero
(length)(width)(height)
A=½(base1+base2)(height)

43. Volume of a cube
Edge³
Isosceles Trapezoid
Negative
y2-y1/x2-x1

44. Volume of a rectangular solid
45 45 90 Right triangles (x - x - x*square root of 2)
D=Square root of (x2-x1)²+(y2-y1)²
Straight Angle
(length)(width)(height)

45. The sum of the angles in a quadrilateral is
P=2(l+w)
(pi)r²
D=Square root of (x2-x1)²+(y2-y1)²
360°