A graph shows Round Target on the x-axis, from 0 to 10, and Square Target on the y-axis, from 0 to 10. A dashed straight line has a negative slope and goes through (2, 5) and (10, 0). Everything above and to the right of the line is shaded.
The graph represents the ways Janelle can win the beanbag toss game. Which describes a way Janelle can win the game?

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?