math test term 2 Flashcards
area formula-square
length^2
area formula- rectangle
lengthxwidth
area formula- triangle
1/2 x base x height
area formula- trapezium
1/2(a+b) x height
area formula- circle
pi x radius^2
area formula- parallelogram
base x height
area formula- sector
0/360 degrees x pi x radius^2
area formula- rhombus/kite
1/2xy x and y are diagonals
TSA for rectangular prism
2(LHxLWxWH)
TSA for cube
6 x length^2
TSA for sphere
4 x pi x radius^2
TSA for cylinder
2 x pi x radius (radius + height)
TSA for cone
pi x radius (radius + length)
volume formula for rectangular prism
Area of a rectangle x height
volume formula for cube
area of a square x height
volume formula for cylinder
area of a circle x height
volume of a triangular prism
area of a triangle x height
volume of a sphere
4/3 x pi x radius^3
volume of a pyramid
1/3 x area of a square x height
simple interest formula
I=PRN
quadratic formula
x=-b square root -b^2-4ac / 2a
TSA for pyramid or any composite shape
Front
Back
Top
Bottom
Left
Right
Constant mulitplier compound formula
1 x 0.005
Compound interest formula
A= P(1+R)^n
Find daily rate of compound interest
P(1+(0/365 divided by 100))n
How to find the principal
10000=P(1+R)^n
What annual compound interest rate from $2000 to 2500
2500=2000(1+R)n
How to divide money to monthly
Divide the interest rate by 12 and multiply the years by 12
How to find the years in the compound interest
You do the guess method you first 7300=6000(1.05)^n
How to get the depreciation
Find the amount of the money of the years and minus the final amount with the initial
Calculate depreciation using compound formula
35000(1.22)^3
