記憶度
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問題一覧
1
What is this formula used for?
the number of total diagonals that can be drawn
2
In which case can a triangle be ambiguous?
ASS
3
What shape is this?
Square
4
What shape is this?
Parallelogram
5
How do you find the number of radians?
arc length/radius
6
In what shape is only one pair of opposite sides congruent?
Isoceles Trapezoid
7
What shape?
Cylinder
8
In what shapes are all angles congruent?
Rectangle , Square
9
What is the purple line?
Chord
10
What shape?
Cone
11
In what shape is only one pair of opposite angles congruent?
Kite
12
What formula should be used?
x=1/2(a)
13
What is the red line?
Tangent
14
What does this formula find?
u×v
15
How many sides does a hendecagon have?
11
16
In what shapes do diagonals bisect each other?
Parallelogram , Rectangle, Rhombus, Square
17
In what shapes are opposite angles congruent?
Parallelogram , Rectangle , Rhombus, Square
18
How many sides does a quadrilateral have?
4
19
How many sides does a hexagon have?
6
20
What shape?
Prism
21
What shape?
Prism
22
What shape?
Pyramid
23
What is this formula used for?
To find the angle between two vectors
24
What shape is this?
Regular Polygon
25
What are these?
Pythagorean identities
26
What is the first tangent (red line)?
Common internal tangent
27
What are orthogonal vectors?
Vectors with 90° in between them
28
How many sides does a triangle have?
3
29
What is this formula used for?
the exterior angle sum
30
What equation is this?
Equation of a circle
31
When is this formula used? (s=side)
Given an equilateral triangle
32
What is this formula used for?
the measure of each exterior angle (regular polygons only)
33
What shape is this?
Rectangle
34
In what shapes are both opposite sides congruent?
Parallelogram , Rectangle , Rhombus, Square
35
What shape is this?
Rhombus
36
What is the lateral area?
Area of everything except the bases
37
When is this formula used?
Given SAS
38
In what shapes are diagonals perpindicalular?
Rhombus, Square, Kite
39
How many sides does a decagon have?
10
40
In what shapes are all sides congruent?
Rhombus , Square
41
What formula should be used?
x=1/2(a-b)
42
How many sides does a octagon have?
8
43
What shape?
Cylinder
44
What is the second tangent (black line)?
Common external tangent
45
When is this formula used? (s=half of perimeter)
Given SSS
46
What shape?
Cone
47
How do you find the midsegment of a trapezoid?
1/2(b1+b2)
48
What is this formula used for?
To find an angle given SSS
49
What shape?
Pyramid
50
In what shapes are diagonals congruent?
Rectangle, Square, Isoceles Trapezoid
51
What is the pink line?
Diameter
52
What formula should be used?
x=1/2(a+b)
53
What shape is this?
Triangle
54
How do you know if there are 2 triangles?
180 - the angle you just found + the given angle < 180
55
What shape?
Sphere
56
How many sides does a pentagon have?
5
57
What formula is this?
Distance formula
58
How many sides does a dodecagon have?
12
59
What formula is this for?
the number of diagonals that can be drawn from a single vertex
60
How many sides does a heptagon have?
7
61
What is this formula used for?
to find a side given SAS
62
What is this formula used for?
the interior angle sum
63
What shape is this?
Circle
64
How do you find the unit vector of a vector?
(vector÷magnitude, vector÷magnitude)
65
What formula should be used?
x=x
66
What are the 4 theorems of parallelograms?
Opposite sides are congruent , Opposite angles are congruent, Consecutive angles are supplementary , Diagonals bisect each other
67
How many sides does a nonagon have?
9
68
Vector^2=
magnitude^2
69
What shape?
Sphere
70
What shape is this?
Trapezoid
71
What is the green line?
Secant
72
In what shapes are both pairs of opposite sides parallel?
Parallelogram , Rectangle, Rhombus, Square
73
In what shapes are are only 1 pair of opposite sides parallel?
Trapezoid, Isoceles Trapezoid
74
What is the blue line?
Radius
75
What shape is this?
Circle
76
What is this formula used for?
the measure of each interior angle (regular polygons only)
77
What shape is this?
Kite