What part of the line does the midpoint identify? The half-way coordinate between the end points.
The second quartile
The top part
The bottom quartile

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

What situation is an example of an observational study

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?