Finding a Missing Value Using a Proportion nsider the reduction of the rectangle. 18 in. Write a proportion and then solve to find the missing measure of the reduced rectangle. What two ratios can be used in the proportion? 8 in. What is the value of the missing measure? xin. 3 in
Ethan is proving that the slope between any two points on a straight line is the same. he has already proved that triangles 1 and 2 are similar. drag statements and reasons to complete the proof.