Line and Angle Relationships
Transformations
Circles
Triangles
Trivia
100
True or False. Opposite angles are congruent.
True. Opposite angles are congruent.
100
Reflection over y = x
(x, y) → (?, ?)
(y, x)
100
How do you find circumference?
Dπ or 2πr
100
In a right triangle, the hypotenuse is always the _______ side or the side ________ to the __° angle.
longest, opposite, 90
100
In a website browser, "www" stands for...
world wide web.
200
Which angles are corresponding angles?
∠1 corresponds with ∠5
∠2 corresponds with ∠6
∠3 corresponds with ∠7
∠4 corresponds with ∠8
200
Reflect (4, -9) over the x-axis
'(4 ,9)
200
What is this called?
Inscribed angle
200
The six types of triangles are...
right, obtuse, acute, equilateral, isosceles, and scalene.
200
Which language does NOT use gender in it grammar ?
Turkish
300
If ∠1 = 60°, find ∠8.
∠8= 60°
300
Rotate △ABC 90° counterclockwise
A (3,5) B (8,5) C (6,9)
A' (-5,3) B' (-5,8) C' (-9,6)
300
Find ∠ACB. Arc AB= 115°
∠ABC = 57.5
300
The difference between isosceles and equilateral triangles is...
an isosceles triangle has two equal sides while equilateral has all equal side.
300
What year did anime begin?
1956
400
Solve for x. ∠6 = 5x-2, ∠7 = -3x+22.
x=3
400
Dilate △ABC by (0.5x, 0.5y) when A (-1,2) B (3,5) C (6,-2)
A' (-0.5, 1) B' (1.5, 2.5) C' (3, -1)
400
Label
O = center AB = diameter OC = radius PQ = chord BOC = sector
400
Solve when A = 30°, a =15, c = x
Round to the nearest hundredth.
sin30° = x/15
15 ⋅ sin30° = x
-14.82 = x
400
Cynophobia is...
the fear of dogs.
500
Solve for x. ∠1 = 4(-x+6) ∠5 = x(16-18)
x=12
500
△ABC' was translated (x + 4), (y + 2) and rotated 180°. Find △ABC
A' (-2, 4) B' (-11, 4) C' (-9, -7)
A (-2, -6) B (7, -6) C (5, 5)
500
Find the area of the circle when D = 24. Use 3.14 for π.
A = 452.16
500
△ABC, AB = BC, ∠BAC = 70° ∠ABC = x°
Find ∠ABC
∠ABC = 40°
500
The act of finding shapes in clouds is called...
nephelococcygia.