Alighthouse cast a shadow that is 36 meters long at the same time , a person who is 1.5 meter tall casts a shadow that is 4.5 meters long . write and solve a proportion to find the height of the lighthouse

The actual width ( w) of a regulation soccer field is 90 meters (m), and the actual length is 120 meters (m). a coach has drawn a scale model of the field on a blackboard. if the longest side of his drawing is 18 cm, how long is the other side of the drawing( w)?

What two criteria are needed for triangles to be similar

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9