Mika made a scale drawing of a picnic area near the river. the scale of the drawing was 5 inches = 1 yard. what scale factor does the drawing use? simplify your answer and write it as a ratio, using a colon.

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?