A = side × side
A = length × breadth
A = ½ × base × height
A = π × r²
P = 4 × side
P = 2(length + breadth)
C = 2 × π × r
V = side³
V = length × breadth × height
V = π × r² × h
SI = (P × R × T) / 100
Speed = Distance / Time
Time = Distance / Speed
Distance = Speed × Time
c² = a² + b²
Mean = Sum of observations / Total number
P = a + b + c
A = base × height
A = (d1 × d2) / 2
x = [-b ± √(b² - 4ac)] / 2a