Problem 3.4 A The triangles in the diagram on the previous page are similar. What is the distance across the river from Stake 1 to Tree 1? Explain your reasoning

B Describe the relationship between the perimeter of the smaller triangle and the perimeter of the larger triangle,

C The diagram on the previous page shows three stakes and two trees. In what order do you think Durell, Angie, and Tonya located the key points and measured the segments and angles? Explain your reasoning,

D Another group of students sketches a different diagram with similar triangles. They put their stakes in different places. Use the diagram below. Does the second group get the same measurement for the width of the river? Explain. Tree 2 140 Ft