Ascale drawling uses the scale 4cm: 9ft. the length of the billboard is 11cm. how long is the actual billboard

What is a graph with a never ending line called?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

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?