formulas I need to remember

rectangle area

length x width

square area

s²

cube volume

a³ (side length cubed)

triangle area

(1/2) x base x height (half x base x perpendicular height)

parallelogram area

base x height

circle area

𝜋r² (pi x radius squared)

rectangular prism volume

length x width x height

cylinder volume

πr²h (π x radius² x height)

sphere volume

4/3πr³ (4/3 x radius³)

cone volume

1/2bh (1/3 x area of base x height)

triangular pyramid volume

1/3bh (1/3 x area of base x height)

tsa of cube

6a²

tsa of rectangular prism

2(lw + wh + lh)

tsa of sphere

4πr²

tsa of hemisphere

3πr²

lsa of cylinder

2πrh

lsa pf cone

πrl

lsa of cube

4a²

lsa of rectangular prism

2h(l+w)

trapezium

1/2(a+b)h (half x sum of parallel sides x height)

triangular prism

area of base (bh/2) x height (applicable to ALL prisms!)

circumference of a circle

2πr/πd

surface area of cylinder

2πrh+2πr2