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