Sat prep find y in equilateral triangle ABC.
a. 90 b. 70 c. 60 d. 40

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?

Find the slope of the line passing through a pair of points

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.