maths
whats is this symbol?
>
Is greater than
what is this symbol?
<
Is less than
what is this symbol?
≥
is greater than or equal to
what is this symbol?
≤
is less than or equal to
what is this symbol?
∠
Angle
What is this symbol?
π
Pi
what is this symbol?
△ABC or △
Triangle
(used to reference a triangle in a diagram)
what is this called?
3:15
ratio
what is the formula for a volume of a sphere?
V = 4/3πr³
what does 'r' stand for?
Radius
What is the volume of a cylinder?
V=πr²h
TRUE OR FALSE:
Every Square root has two answers.
True
What is the Surface Area of a sphere?
SA=4πr²
What is the surface area of a cylinder?
SA= 2πrh+2πr²