Question

how is the symbol ✓ is equal to 1/2 ?​

Answer 1

$symbol \: \sqrt{} \: means \: root \: \\ squre . \: root \: square \: is \: \\ opposite \: of \: square \: \\ square \: sign \: is \: = {}^{2} \: \\ opposite \: ofsquare \: \\ sign( {}^{2} ) = {}^{ \frac{1}{2} }$

therefore,symbol ✓ is equal to 1/2

hope it will helps you