Question

find x if 3:x = x:12 please tell

Answer 1

$hi \: mate \\ \\ 3 \div x = x \div 12 \\ \\ x {}^{2} = 36 \\ \\ x = \sqrt{36} \: \: \: \: \: or \: \: \: \: x = - \sqrt{36} \\ \\ x = 6 \: \: \: \: \: \: \: \: \: \: or \: \: x = - 6 \\ \\ have \: a \: nyc \: tym$