Learn this Math trick before your next SAT #math #mathtricks

[LearnWithFardin]

Inverse Pythagorean Theorem:

h^{-2} = a^{-2} + b^{-2}

Hence, h = [4^-2 + 3^-2]^(-1/2) = 2.4 unit

"Easy"

[SymSym-fj]

This is like: cancel the denominator 2 .

[StruckHat]

I’m sorry but what. Shouldn’t it be 6. If it’s (3*4)/2.