P = 2l + 2w ✔️Perimeter of a rectangle
A = lw ✔️Area of a rectangle
A = bh ✔️Area of a parallelogram
A = 1/2h(b1 + b2) ✔️Area of a trapezoid
A = 1/2bh ✔️Area of a triangle
C = pi x diameter or C = 2πr ✔️circumference of a circle
A = πr² ✔️Area of a circle
a²+b²=c² ✔️Pythagorean Theorem
V = l x w x h ✔️formula for volume of a rectangular prism
SA = 2πr² + 2πrh ✔️Surface area of a cylinder
V = πr²h ✔️Volume of a cylinder
SA = 2lw + 2hl + 2wh ✔️surface area of a rectangular prism
V=1/3πr²h ✔️volume of cone=1/3πr²h
V = 1/3Bh ✔️Volume of a pyramid *depends on Base shape
V = 4/3πr^3 ✔️Volume of a sphere
F= 9/5 C + 32 ✔️Convert Celsius to Fahrenheit
d = √( x₂ - x₁)² + (y₂ - y₁)² ✔️distance formula
1 mile = 5,280 feet ✔️How many feet are in one mile?
1 yard = 3 feet ✔️How many feet are in one yard?
1 foot = 12 inches ✔️How many inches are in one foot?
1 pound = 2,000 tons ✔️How many pounds are in one ton?
1 pound = 16 ounces ✔️How many ounces are in one pound?
1 cup = 8 oz ✔️How many fluid ounces are in one cup?
Sum of interior angles = 180(n-2) where n is the number of sides ✔️The sum of the interior angles of a regular polygon
30's adjacent leg is sqrt3; 60's adjacent leg is 1, and the hypotenuse is 2 ✔️30-60-90 right triangle
two legs are 1, and the hypotenuse is sqrt of 2. ✔️45 - 45 - 90 right triangle
"Bottom heavy y = 0
"Top heavy no horizontal asymptote
"divide the leading coefficients y = # ✔️rules for horizontal asymptotes!
A factor in both the denominator and the numerator equals zero is a hole, but a factor in only the denominator that equals zero is a vertical
asymptote ✔️difference between hole and vertical asymptotes
0 - constant
1 - linear