Basic Geometry
This is any angle that is less than 90 degrees.
Acute
That's what you get when one of the angles of a triangle is greater than 90 degrees.
Obtuse
This country has the most coastline of any in the world eh.
Canada
The square root of 1/4
1/2
You can factor that to x(x-7)
x2 - 7x
This is any angle that is more than 90 degrees
Obtuse
Two angles of a triangle are:
30 degrees
60 degrees
The third angle is this.
Right
That's the 7th planet in our solar system.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, URANUS, Neptune, Pluto. (Pluto is not technically a planet)
That's an Identity.
0 for adding.
1 for multiplying.
This property looks like this:
x(x + 4) = x2 + 4x
Distributive
This type of triangle has two legs that are the same length.
Isosceles
These two straight lines will never intersect.
Parallel.
This mammal cannot jump.
Elephant, Sloth, Hippo, Rhino...
We also would've accepted: dead mammal.
When distributed, you get this:
2x2 + 11x + 5
(2x + 1)(x + 5)
This property looks like this:
x + y = y + x
Commutative
This type of triangle has all 3 sides the same length.
Equilateral
That's the Pythagorean Theorem.
a2 + b2 = c2
That's where Emma is going to grad school.
Illinois State University
When distributed, you get this:
xy - 3y + 4x - 12
(x - 3)(y + 4)
This property looks like this:
(a + b) + c = a + (b + c)
Associative
That's what all the interior angles of a triangle add up to.
180 degrees
That's the sin of 30 degrees
1/2
The quadratic formula song.
Paul knows it.
Those points are when this graph intersects the x axis:
y = 2x2 + x - 3
y = (2x + 3)(x - 1)
point 1: (1, 0)
point 2: (-3/2)
This property looks like this:
x = x
Reflexive