Question

If triangles have the ratio of 2:3 adn the smaller traingle has a aside length of 7 what si length of the correspodning sides

Answer 1

$2:3=7:x\\\\\dfrac{7}{x}=\dfrac{2}{3}\ \ \ \ |cross\ multiply\\\\2x=7\cdot3\\\\2x=21\ \ \ |:2\\\\\boxed{x=10.5}$