Changing a Scale — Unit test Answers

On a map, Melbourne, Australia, is 22 centimeters from Sydney, Australia. The actual distance is 880 kilometers. If Canberra, Australia, is 286 kilometers from Sydney, how far apart will they appear on the map, to the nearest centimeter?

The triangle below has been reduced by a scale of 0.4. What is the area of the reduced triangle?

Which is the scale factor proportion for the reduction shown?

Consider the reduction of the rectangle. Not drawn to scaleRounded to the nearest tenth, what is the value of x?

A room is 12 feet long and 10.5 feet wide. A scale model of the room is 3.5 feet wide. What is the area of the scale model?